00618naa#a2200181#i#450# EN\\bibl\40521 20240508023905.3 2073-1574 20201118b2020####ek#y0engy0150####ca RU Special methods for performing search operation Journal article Astrakhan Astrakhan State Technical University 2020 12 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Yapparov Evgeniy Romanovich Alekseev Viktor Valerievich vestnik.astu.org