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@article{MZM_1988_44_4_a12, author = {P. M. Tishin}, title = {Criterion for the stability of the partial indices of a circular matrix function}, journal = {Matemati\v{c}eskie zametki}, pages = {536--545}, publisher = {mathdoc}, volume = {44}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_4_a12/} }
P. M. Tishin. Criterion for the stability of the partial indices of a circular matrix function. Matematičeskie zametki, Tome 44 (1988) no. 4, pp. 536-545. http://geodesic.mathdoc.fr/item/MZM_1988_44_4_a12/