@article{ZVMMF_1970_10_2_a20,
     author = {I. V. Fryazinov},
     title = {An algorithm for the solution of difference problems on graphs},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {474--477},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_2_a20/}
}