00635naa#a2200205#i#450# EN\\bibl\2696 /en/manage/index 20241117144259.7 1992-5980 20140630b2014####ek#y0engy0150####ca RUS RU Numerical solution to boundary problems for Poisson’s equation by point-source method Journal article rostov on don Don state technical University 2014 0 с. Journal article local Shcherbakova Elena Knyazev Sergey Engibaryan Alesha test.editorum.ru /en/manage/index