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

2003 | **On the Extinction Probability for Bisexual Branching Processes in Varying Environments** | *Molina, Manuel; Mota, Manuel; Ramos, Alfonso* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2004 | **On the Factorization of the Poincaré Polynomial: A Survey** | *Akyıldız, Ersan* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1999 | **On the Hyperbolicity Domain of the Polynomial x^n + a1x^(n-1) + 1/4+ an** | *Kostov, Vladimir* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1997 | **On the Isoenergetical Non-Degeneracy of the Problem of two Centers of Gravitation** | *Dragnev, Dragomir* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1997 | **On the KAM - Theory Conditions for the Kirchhoff Top** | *Christov, Ognyan* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1999 | **On the Maximum of a Branching Process Conditioned on the Total Progeny** | *Kerbashev, Tzvetozar* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1999 | **On the sense preserving mappings in the Helm topology in the plane** | *Pyrih, Pavel* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2002 | **On the Stabilization of the Wave Equation by the Boundary** | *Cardoso, Fernando; Vodev, Georgi* | *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* |

2003 | **On the Transformations of Symplectic Expansions and the Respective Bäcklund Transformation for the KDV Equation** | *Khristov, E.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1999 | **On the Uniform Decay of the Local Energy** | *Vodev, Georgi* | *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* |

1995 | **On Uniformly Convex and Uniformly Kadec-Klee Renomings** | *Lancien, Gilles* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2003 | **The Operators Aγ = γA + -γA for a Class of Nondissipative Operators A with a Limit of the Corresponding Correlation Function** | *Borisova, Galina* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1995 | **Operators Factoring through Banach Lattices and Ideal Norms** | *Reisner, Shlomo* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2004 | **Optimality Conditions for D.C. Vector Optimization Problems under D.C. Constraints** | *Gadhi, N.; Metrane, A.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1995 | **Optimization of Discrete-Time, Stochastic Systems** | *Papageorgiou, Nikolaos* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2004 | **Oscillation Criteria for First Order Delay Differential Equations** | *Elabbasy, E.; Hassan, T.* | *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 | **Oscillation Theorems for Second Order Sublinear Ordinary Differential Equations** | *Elabbasy, E.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |