Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1986_22_7_a21, author = {V. G. Prikazchikov}, title = {Steepest descent in a spectral problem}, journal = {Differencialʹnye uravneni\^a}, pages = {1268--1271}, publisher = {mathdoc}, volume = {22}, number = {7}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_7_a21/} }
V. G. Prikazchikov. Steepest descent in a spectral problem. Differencialʹnye uravneniâ, Tome 22 (1986) no. 7, pp. 1268-1271. http://geodesic.mathdoc.fr/item/DE_1986_22_7_a21/