Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1970__125_3_a7, author = {{\CYRV}.{\CYRV}. {\CYRG}{\cyrr}{\cyru}{\cyrsh}{\cyri}{\cyrn}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyre} {\cyrg}{\cyri}{\cyrp}{\cyro}{\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}}, journal = {Matemati\v{c}eskij sbornik}, pages = {456--473}, publisher = {mathdoc}, volume = {125}, number = {3}, year = {1970}, zbl = {0211.40503}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1970__125_3_a7/} }
В.В. Грушин. Об одном классе гипоэллиптических операторов. Matematičeskij sbornik, Tome 125 (1970) no. 3, pp. 456-473. http://geodesic.mathdoc.fr/item/MS_1970__125_3_a7/