Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1990_24_3_a5, author = {G. S. Petrov}, title = {Non-oscillation of elliptic integrals}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {45--50}, publisher = {mathdoc}, volume = {24}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1990_24_3_a5/} }
G. S. Petrov. Non-oscillation of elliptic integrals. Funkcionalʹnyj analiz i ego priloženiâ, Tome 24 (1990) no. 3, pp. 45-50. http://geodesic.mathdoc.fr/item/FAA_1990_24_3_a5/