Qurbanbaev , Ó.O., K. . Djakaeva, and R. . Joldasbaeva. “BOUNDARY VALUE PROBLEMS FOR LAPLACE EQUATIONS WITH VARIABLE ARGUMENTS”. International Bulletin of Engineering and Technology, vol. 4, no. 3, Mar. 2024, pp. 93-98, https://internationalbulletins.com/intjour/index.php/ibet/article/view/1413.