@article{DE_1981_17_6_a16,
     author = {M. Meredov},
     title = {On a multidimensional equation of mixed-composite type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1122--1127},
     year = {1981},
     volume = {17},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_6_a16/}
}