@article{DAN_1965_163_6_a3,
     author = {E. G. D'yakonov},
     title = {The use of operators equivalent with respect to spectrum in solving difference analogues of strongly elliptic systems},
     journal = {Doklady Akademii Nauk},
     pages = {1314--1317},
     publisher = {mathdoc},
     volume = {163},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_6_a3/}
}