@article{MO_2024_111_3_a3, author = {N. V. Ilyushechkin}, title = {On the multiplicities of eigenvalues of a pair of quadratic forms}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {26--30}, publisher = {mathdoc}, volume = {111}, number = {3}, year = {2024}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2024_111_3_a3/} }