@article{IVM_1973_8_a9,
     author = {S. N. Slugin and V. M. Shashkov},
     title = {Solvability of an extremal problem in a~case of infinite systems of weak* closed operations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--83},
     publisher = {mathdoc},
     number = {8},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1973_8_a9/}
}