@article{IVM_1977_1_a12,
     author = {R. V. Freivald},
     title = {Probabilistic recognition, with isolated intersection point, of deterministically unrecognizable sets},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {100--107},
     publisher = {mathdoc},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_1_a12/}
}