Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MI_1980__54_189520, author = {{\CYRI}.{\CYREREV}. {\CYRV}{\cyre}{\cyrr}{\cyrb}{\cyri}{\cyrc}{\cyrk}{\cyri}{\cyrishrt} and {\CYRN}.{\CYRYA}. {\CYRK}{\cyrr}{\cyru}{\cyrp}{\cyrn}{\cyri}{\cyrk}}, title = {[unknown]}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {21--35}, publisher = {mathdoc}, volume = {54}, year = {1980}, zbl = {0451.47067}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1980__54_189520/} }
И.Э. Вербицкий; Н.Я. Крупник. [unknown]. Matematičeskie issledovaniâ, Tome 54 (1980), pp. 21-35. http://geodesic.mathdoc.fr/item/MI_1980__54_189520/