**Issue Date** | Title | Author(s) | Publisher |

**1997 ** | Uniform Eberlein Compacta and Uniformly Gâteaux Smooth Norms | *Fabian, Marián; Hájek, Petr; Zizler, Václav* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Quantum Mechanics of Guiding Center Motion in Strong Magnetic Field (Coherent State Path Integral Approach) | *Kuratsuji, Hiroshi; Tochishita, Teruyuki; Mizui, Masayuki* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | On the Structure of Spatial Branching Processes | *Matthes, Klaus; Nawrotzki, Kurt; Siegmund-Schultze, Rainer* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Extremal Solutions for a Class of Functional Differential Equations | *Ceppitelli, Rita; Faina, Loris* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | On Typical Compact Convex Sets in Hilbert Spaces | *De Blasi, F.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | On the Difference of 4-Gonal Linear Systems on some Curves | *Ohbuchi, Akira* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | M-Solid Subvarieties of some Varieties of Commutative Semigroups | *Koppitz, J.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Oscillation Theorems for Second Order Sublinear Ordinary Differential Equations | *Elabbasy, E.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Abstract Subdifferential Calculus and Semi-Convex Functions | *Ivanov, Milen; Zlateva, Nadia* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Some Theoretical Results on the Progeny of a Bisexual Galton-Watson Branching Process | *González, M.; Molina, M.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Functionally Countable Spaces and Baire Functions | *Choban, M.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Oscillation Theorems for Perturbed Second Order Nonlinear Differential Equations with Damping | *Elabbasy, E.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Involutivity and Symple Waves in R^2 | *Kolev, Dimitar* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Isomorphism of Commutative Modular Group Algebras | *Danchev, P.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Existence and Uniqueness of Solutions for Partial Differential-Functional Equations of the First Order with Deviating Argument of the Derivative of Unknown Function | *Augustynowicz, A.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | The Fiftieth Anniversary of the Institute of Mathematics and Informatics | *Yanev, N.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | Nadel's Subschemes of Fano Manifolds X with a Picard Group Pic(X) Isomorphic to Z | *Yotov, M.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1997 ** | When does a Bounded Domain Cover a Projective Manifold? (Survey) | *Kasparian, Azniv* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1998 ** | Well-Posedness and Conditioning of Optimization Problems | *Zolezzi, T.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

**1998 ** | Codifferentiable Mappings with Applications to Vector Optimality | *Zaffaroni, Alberto* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |