@article{FAA_1988_22_3_a11,
     author = {V. R. Ol'shevskii},
     title = {Variation of the {Jordan} structure of $G$-self-adjoint operators and self-adjoint operator functions under small perturbations},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {79--80},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1988_22_3_a11/}
}