@article{DE_1978_14_9_a10,
     author = {G. V. Zhidkov},
     title = {The finiteness of the {Dirichlet} integral for a class of functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1624--1631},
     publisher = {mathdoc},
     volume = {14},
     number = {9},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_9_a10/}
}