00534naa#a2200169#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200012700101210005600228215001000284608002700294700002800321856001500349EN\\bibl\269020240809101932.5##a1992-5980##a20140630b2014####ek#y0engy0150####ca0#aRUS##aRU1#aOn presentation of Gelfond–Leontiev operators of generalized differentiation in simply connected regioneJournal article1#arostov on doncDon state technical Universityd2014##a0 с.##aJournal article2local#1aBratishchevgAleksandr 4#anaukaru.ru