@article{ZNSL_1976_58_a11,
     author = {A. S. Ivanov},
     title = {Compiling linear-algebraic system {CLAS}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {111--115},
     year = {1976},
     volume = {58},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_58_a11/}
}