00840naa#a2200217#i#450# EN\INFRA-M\bibl\51423 20241103104645.7 2712-9640 20230328b2023####ek#y0engy0150####ca RU Application of convolution neural networks for critical frequency fₒF2 prediction Journal article Moscow INFRA-M Academic Publishing LLC. 2023 12 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 Salimov Boris Gudratovich Berngardt Oleg Igorevich Hmelnov Aleksey Evgenyevich Ratovsky Konstantin Gennadyevich Kusonsky Oleg Aleksandrovich zh-szf.ru