@article{ZVMMF_1996_36_4_a5,
     author = {V. S. Ryaben'kiǐ},
     title = {Potentials for general linear systems of difference equations on abstract grids},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {41--49},
     year = {1996},
     volume = {36},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1996_36_4_a5/}
}