00684naa#a2200205#i#450# EN\RIOR\bibl\39217 20241122061310.5 2308-0191 20201007b2020####ek#y0engy0150####ca RU The Solution to the Task of Spreading the Non-Stationary Two-Dimensional Potential Flow (The Radial Source) Journal article Moscow Publishing Center RIOR 2020 4 с. Journal article local Физика. 53 Burtseva Ol'ga Alexandrovna Kochanenko Viktor Nikolaevich Evtushenko Sergej Ivanovich Kondratenko Anatoly Ivanovich riorpub.com