Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1977_11_4_a13, author = {K. K. Karchyauskas}, title = {A generalized {Lefshets} theorem}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {80--81}, publisher = {mathdoc}, volume = {11}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1977_11_4_a13/} }
K. K. Karchyauskas. A generalized Lefshets theorem. Funkcionalʹnyj analiz i ego priloženiâ, Tome 11 (1977) no. 4, pp. 80-81. http://geodesic.mathdoc.fr/item/FAA_1977_11_4_a13/