00504naa#a2200169#i#450# EN\\bibl\12234 20260524110731.7 1992-5980 20160621b2016####ek#y0engy0150####ca RUS RU Integral equation for numerical solution of stationary quantum-mechanical problems Journal article rostov on don Don state technical University 2016 7 с. Journal article local Knyazev Sergey zh-szf.ru