Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1969__121_1_a0, author = {{\CYRM}.{\CYRI}. {\CYRV}{\cyri}{\cyrsh}{\cyri}{\cyrk} and {\CYRV}.{\CYRV}. {\CYRG}{\cyrr}{\cyru}{\cyrsh}{\cyri}{\cyrn}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyre} {\cyrv}{\cyrery}{\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyra}{\cyryu}{\cyrshch}{\cyri}{\cyrh}{\cyrs}{\cyrya} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrv}{\cyrery}{\cyrs}{\cyrsh}{\cyri}{\cyrh} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyro}{\cyrv}.}, journal = {Matemati\v{c}eskij sbornik}, pages = {3--36}, publisher = {mathdoc}, volume = {121}, number = {1}, year = {1969}, zbl = {0177.14302}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1969__121_1_a0/} }
М.И. Вишик; В.В. Грушин. Об одном классе вырождающихся эллиптических уравнений высших порядков.. Matematičeskij sbornik, Tome 121 (1969) no. 1, pp. 3-36. http://geodesic.mathdoc.fr/item/MS_1969__121_1_a0/