LYAPUNOV-TYPE INEQUALITIES FOR A NONLINEAR FRACTIONAL BOUNDARY VALUE PROBLEM Статья Kassymov A., Torebek B.T. Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas. Springer-Verlag Italia s.r.l.. Том 115. 2021.
LOCAL EXISTENCE AND GLOBAL NONEXISTENCE RESULTS FOR AN INTEGRO-DIFFERENTIAL DIFFUSION SYSTEM WITH NONLOCAL NONLINEARITIES Статья Borikhanov M.B., Torebek B.T. Mathematical Methods in the Applied Sciences. John Wiley and Sons Ltd. 2020.