@article{ZVMMF_1987_27_6_a18,
     author = {V. I. Gryn'},
     title = {On $N$-generalizations of $P_W$-algorithms},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {954--955},
     publisher = {mathdoc},
     volume = {27},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1987_27_6_a18/}
}