@article{DE_1993_29_9_a3,
     author = {B. G. Gabdulkhaev},
     title = {Multidimensional singular integral equations with positive operators},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1504--1516},
     publisher = {mathdoc},
     volume = {29},
     number = {9},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_9_a3/}
}