@article{DE_1974_10_3_a16,
     author = {V. P. Gavrin},
     title = {The index and solvability of a certain problem for a singular integro-differential equation with conjugation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {541--543},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_3_a16/}
}