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

2007 | A general Approach to Methods with a Sparse Jacobian for Solving Nonlinear Systems of Equations | *Kyurkchiev, Nikolay; Iliev, Anton* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2013 | Hausdorff Approximation of Functions Different from Zero at One Point - Implementation in Programming Environment Mathematica | *Kyurkchiev, Nikolay; Andreev, Andrey* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2009 | A Note on the “Constructing” of Nonstationary Methods for Solving Nonlinear Equations with Raised Speed of Convergence | *Kyurkchiev, Nikolay; Iliev, Anton* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2009 | On some Modifications of the Nekrassov Method for Numerical Solution of Linear Systems of Equations | *Iliev, Anton; Kyurkchiev, Nikolay; Petkov, Milko* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2015 | On the Approximation of the Generalized Cut Function of Degree p+1 By Smooth Sigmoid Functions | *Kyurkchiev, Nikolay; Markov, Svetoslav* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

22-Nov-2010 | On The Critical Points of some Iteration Methods for Solving Algebraic Equations. Global Convergence Properties | *Kyurkchiev, Nikolay; Iliev, Anton* | *University Press "Paisii Hilendarski", Plovdiv* |

2013 | A Refinement of some Overrelaxation Algorithms for Solving a System of Linear Equations | *Kyurkchiev, Nikolay; Iliev, Anton* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

31-May-2013 | Web Application for Actuarial Calculations for Insurance | *Dobrev, Hristo; Kyurkchiev, Nikolay* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences, Association for the Development of the Information Society* |

2003 | Web-based Simultaneous Equation Solver | *Iliev, Anton; Kyurkchiev, Nikolay; Todorov, Todor* | *Institute of Information Theories and Applications FOI ITHEA* |