@article{DAN_1975_221_2_a1,
     author = {N. L. Vasilevskii and G. S. Litvinchuk},
     title = {Theory of solvability of a class of singular integral equations with involution},
     journal = {Doklady Akademii Nauk},
     pages = {269--271},
     publisher = {mathdoc},
     volume = {221},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_2_a1/}
}