@article{IVM_1972_4_a11,
     author = {A. K. Slipenko},
     title = {Symmetric $p$-operatives},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {102--108},
     publisher = {mathdoc},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1972_4_a11/}
}