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

2010 | **On Y. Nievergelt's Inversion Formula for the Radon Transform** | *Ournycheva, E.; Rubin, B.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2011 | **Open Access and Institutional Repositories in Bulgaria** | *Simeonov, Georgi; Stanchev, Peter* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2014 | **Open Access Strategy of UNESCO** | *Neopane, Bhanu* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2014 | **Open Access to Publications and Research Data in Horizon 2020: What Are the Requirements and How Can Institutional Repositories and OpenAIRE Help to Meet Them?** | *Rodrigues, Eloy* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2011 | **OpenAIREplus** | *Stanchev, Peter* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2014 | **Open Research Data** | *Callaghan, Sarah* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2007 | **Open Source Information Technologies Approach for Moddeling of Ankle-Foot Orthosis** | *Milusheva, Slavyana; Karastanev, Stefan; Toshev, Yuli* | *Institute of Information Theories and Applications FOI ITHEA* |

2013 | **An Open Virtual World for Professional Development** | *Stefanova, Eliza* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2007 | **Operating Model of Knowledge Quantum Engineering for Decision-Making in Conditions of Indeterminacy** | *Molodykh, Liudmyla; Sirodzha, Igor* | *Institute of Information Theories and Applications FOI ITHEA* |

2006 | **Operational Calculi for the Euler Operator** | *Dimovski, Ivan; Skórnik, Krystyna* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2009 | **Operational Methods in the Environment of a Computer Algebra System** | *Spiridonova, Margarita* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2004 | **Operational Rules for a Mixed Operator of the Erdélyi-Kober Type** | *Luchko, Yury* | *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* |

2012 | **Operators with Polynomial Coefficients and Generalized Gelfand-Shilov Classes** | *Calvo, Daniela; De Donno, Giuseppe; Rodino, Luigi* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2011 | **Optimal Choice of a Firm in Conducting Auction** | *Baeva, Silvia; Nedeva, Cvetana* | *Union of Bulgarian Mathematicians* |

2006 | **Optimal Control of a Second Order Parabolic Heat Equation** | *Farag, Mahmoud; Al-Manthari, Mainouna* | *Institute of Information Theories and Applications FOI ITHEA* |

2012 | **Optimal Control of Heterogeneous Systems** | *Tsachev, Tsvetomir* | *Union of Bulgarian Mathematicians* |

2009 | **Optimal Decision Rules in Logical Recognition Models** | *Gupal, Anatol; Ryazanov, Vladimir* | *Institute of Information Theories and Applications FOI ITHEA* |

2004 | **An Optimal Distributed Algorithm for All-Pairs Shortest-Path** | *Kanchi, Saroja; Vineyard, David* | *Institute of Information Theories and Applications FOI ITHEA* |