00605naa#a2200193#i#450# EN\\bibl\93554 20250202130150.7 2413-2527 20230418b2023####ek#y0engy0150####ca RUS RU Mathematical Modeling of the Spread of Pollutants in a Closed Water Area Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2023 3 с. Journal article local УДК. RUS Bestuzheva A N Goncharenko V A atjournal.ru