00542naa#a2200157#i#450# EN\\bibl\34812 20240517124031.5 2686-9896 20190415b2019####ek#y0engy0150####ca RU ABOUT THE APPROXIMATE SOLUSION OF THE EQUATOINS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 0 с. Journal article local Chihachev Sergey Aleksandrovich angtu.editorum.ru