Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1992_28_10_a20, author = {V. A. Mikhailets}, title = {Selfadjoint problems with a given eigenvalue distribution}, journal = {Differencialʹnye uravneni\^a}, pages = {1834--1835}, publisher = {mathdoc}, volume = {28}, number = {10}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_10_a20/} }
V. A. Mikhailets. Selfadjoint problems with a given eigenvalue distribution. Differencialʹnye uravneniâ, Tome 28 (1992) no. 10, pp. 1834-1835. http://geodesic.mathdoc.fr/item/DE_1992_28_10_a20/