Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1997_31_4_a5, author = {A. L. Skubachevskii}, title = {On {Normality} of {Some} {Elliptic} {Functional} {Differential} {Operators}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {60--65}, publisher = {mathdoc}, volume = {31}, number = {4}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1997_31_4_a5/} }
A. L. Skubachevskii. On Normality of Some Elliptic Functional Differential Operators. Funkcionalʹnyj analiz i ego priloženiâ, Tome 31 (1997) no. 4, pp. 60-65. http://geodesic.mathdoc.fr/item/FAA_1997_31_4_a5/