Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KUKZ_1970_7_7_a4, author = {M. I. Gurevich and G. Yu. Stepanov}, title = {{\CYRK}{\cyrr}{\cyra}{\cyrt}{\cyrk}{\cyri}{\cyrishrt} {\cyro}{\cyrb}{\cyrz}{\cyro}{\cyrr}}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {55--70}, publisher = {mathdoc}, volume = {7}, number = {7}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1970_7_7_a4/} }
M. I. Gurevich; G. Yu. Stepanov. Краткий обзор. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 7 (1970) no. 7, pp. 55-70. http://geodesic.mathdoc.fr/item/KUKZ_1970_7_7_a4/