Numerical Methods for Compuation of the Double Layer Logarithmic Potential. - Natalia T. Kolkovska (WNAA, 1996)

An Economic Method for Evaluation of Volume Integrals. - Natalia T. Kolkovska (NAA, 2004)

Numerical Solution of an Elliptic Problem with a Non-classical Boundary Condition. - Natalia T. Kolkovska (Numerical Methods and Applications, 2006)

On the Numerical Simulation of Unsteady Solutions for the 2D Boussinesq Paradigm Equation. - Christo I. Christov; Natalia T. Kolkovska; Daniela Vasileva (NMA, 2010)

Convergence of Finite Difference Schemes for a Multidimensional Boussinesq Equation. - Natalia T. Kolkovska (NMA, 2010)

Comparison of Some Finite Difference Schemes for Boussinesq Paradigm Equation. - Milena Dimova; Natalia T. Kolkovska (MMCP, 2011)

A Multicomponent Alternating Direction Method for Numerical Solution of Boussinesq Paradigm Equation. - Natalia T. Kolkovska; Krassimir Angelow (NAA, 2012)

Global existence of Cauchy problem for Boussinesq paradigm equation. - Nikolai Kutev; Natalia T. Kolkovska; Milena Dimova (Comput. Math. Appl., 2013)

Error Estimates of Four Level Conservative Finite Difference Schemes for Multidimensional Boussinesq Equation. - Natalia T. Kolkovska (FDM, 2014)

Stability or instability of solitary waves to double dispersion equation with quadratic-cubic nonlinearity. - Natalia T. Kolkovska; Milena Dimova; Nikolai Kutev (Math. Comput. Simul., 2017)

Numerical Solutions of the Boussinesq Equation with Nonlinear Restoring Force. - Veselina Vucheva; Vassil M. Vassilev; Natalia T. Kolkovska (NMA, 2022)

Blow Up of Solutions to Wave Equations with Combined Logarithmic and Power-Type Nonlinearities. - Milena Dimova; Natalia T. Kolkovska; Nikolai Kutev (Axioms, 2024)