@article{MZM_1988_43_2_a11,
     author = {V. A. Tashkinov},
     title = {Regular subpseudographs of regular pseudographs},
     journal = {Matemati\v{c}eskie zametki},
     pages = {263--275},
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_2_a11/}
}