Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1983_269_1_a8, author = {S. Ya. Yakubov}, title = {Quadratic operator pencils}, journal = {Doklady Akademii Nauk}, pages = {39--42}, publisher = {mathdoc}, volume = {269}, number = {1}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_269_1_a8/} }
S. Ya. Yakubov. Quadratic operator pencils. Doklady Akademii Nauk, Tome 269 (1983) no. 1, pp. 39-42. http://geodesic.mathdoc.fr/item/DAN_1983_269_1_a8/