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

1991 | **On the Pythagorean theorem and the triangle inequality** | *Price, G. Baley* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2007 | **On the Quality of Decision Functions in Pattern Recognition** | *Berikov, Vladimir* | *Institute of Information Theories and Applications FOI ITHEA* |

2010 | **On the Quotient Function Employed in the Blind Source Separation Problem** | *Fujita, K.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2004 | **On the Range of the Fourier Transform Associated with the Spherical Mean Operator** | *Jelassi, M.; Rachdi, L.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2003 | **On the Relationship between Quantified Reflective Logic and Quantified Default Logic** | *Brown, Frank* | *Institute of Information Theories and Applications FOI ITHEA* |

2004 | **On the Relationships Among Quantified Autoepistemic Logic, its Kernel, and Quantified Reflective Logic** | *Brown, Frank* | *Institute of Information Theories and Applications FOI ITHEA* |

2005 | **On the Riemann-Liouville Fractional q-Integral Operator Involving a Basic Analogue of Fox H-Function** | *Kalla, S.; Yadav, R.; Purohit, S.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2011 | **On the Semigroup of all Increasing Full Transformations** | *Dimitrova, Ilinka* | *Union of Bulgarian Mathematicians* |

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* |

1991 | **On the strong asymptotic behavior of asymptotically nonexpansive semi-groups in Banach spaces** | *Miyadera, Isao* | *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* |

2006 | **On the Uniform Convergence of Partial Dunkl Integrals in Besov-Dunkl Spaces** | *Abdelkefi, Chokri; Sifi, Mohamed* | *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* |

2008 | **On the Various Bisection Methods Derived from Vincent’s Theorem** | *Akritas, Alkiviadis; Strzeboński, Adam; Vigklas, Panagiotis* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2007 | **On the Vertex Separation of Cactus Graphs** | *Markov, Minko* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2008 | **On the Vertex Separation of Maximal Outerplanar Graphs** | *Markov, Minko* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2008 | **On the Weight Distribution of the Coset Leaders of Constacyclic Codes** | *Velikova, Evgeniya; Bojilov, Asen* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2003 | **On the Zeros of the Solutions to Nonlinear Hyperbolic Equations with Delays** | *Petrova, Z. A.; Mishev, D. P.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |