@article{DAN_1970_195_4_a20,
     author = {\`E. A. Kuz'min and V. V. Ilyukhin and N. V. Belov},
     title = {Theorem of isolation of the basic system from a vectorial one according to $n$-multiplicity peak (general case, {Fedorov's} $P1$ group)},
     journal = {Doklady Akademii Nauk},
     pages = {831--833},
     publisher = {mathdoc},
     volume = {195},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_4_a20/}
}