@article{FAA_1978_12_1_a11,
     author = {A. V. Kozak and I. B. Simonenko},
     title = {Projection methods for solving two-dimensional singular equations on a torus},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {74--75},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1978_12_1_a11/}
}