Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1987__175_2_a4, author = {{\CYRN}.{\CYRS}. {\CYRN}{\cyra}{\cyrd}{\cyri}{\cyrr}{\cyra}{\cyrsh}{\cyrv}{\cyri}{\cyrl}{\cyri}}, title = {{\CYRK}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyro}{\cyrb}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra} {{\CYRL}{\cyra}{\cyrp}{\cyrl}{\cyra}{\cyrs}{\cyra}}}, journal = {Matemati\v{c}eskij sbornik}, pages = {223--237}, publisher = {mathdoc}, volume = {175}, number = {2}, year = {1987}, zbl = {0672.35049}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1987__175_2_a4/} }
Н.С. Надирашвили. Кратные собственные значения оператора Лапласа. Matematičeskij sbornik, Tome 175 (1987) no. 2, pp. 223-237. http://geodesic.mathdoc.fr/item/MS_1987__175_2_a4/