@article{ZVMMF_1982_22_6_a22,
     author = {A. F. Shapkin},
     title = {Solution of systems of linear algebraic equations with a triangular matrix},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1500--1501},
     publisher = {mathdoc},
     volume = {22},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1982_22_6_a22/}
}