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@article{MZM_1981_30_3_a5, author = {A. A. Shkalikov}, title = {Property of the eigenvectors of quadratic operator pencils of being a basis}, journal = {Matemati\v{c}eskie zametki}, pages = {371--385}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_3_a5/} }
A. A. Shkalikov. Property of the eigenvectors of quadratic operator pencils of being a basis. Matematičeskie zametki, Tome 30 (1981) no. 3, pp. 371-385. http://geodesic.mathdoc.fr/item/MZM_1981_30_3_a5/