@article{IVM_1959_2_a9,
     author = {I. S. Kukles},
     title = {Frommer's first and second discrimination problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {101--117},
     publisher = {mathdoc},
     number = {2},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1959_2_a9/}
}