Mokrousov Ilya S. RussiaMoscow Lomonosov Moscow State University, Institute of Mechanics, Russia, 119192, Moscow, Michurinskii pr., 1 аспирант кафедры общей математикиmokrousov.ilya@cs.msu.su Author's articles Criterion for a Generalized Solution in the Class Lp for the Wave Equation to Be in the Class W1 p