Kohut Ihor Vasylyovych. Differential-Symbol Method of Solving the Problems with Nonlocal Boundary Conditions for Partial Differential Equations : к.ф.-м.н. : spec.. 01.01.02 - Диференційні рівняння : presented. 2007-03-22; popup.evolution: .; Ivan Franko National University of Lviv. – , 0407U001580.

Updated: 2026-11-07