@article{DAN_1982_263_6_a0,
     author = {V. V. Vlasov},
     title = {Multiple minimality of part of the system of root vectors of a {Keldys} pencil},
     journal = {Doklady Akademii Nauk},
     pages = {1289--1293},
     publisher = {mathdoc},
     volume = {263},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_6_a0/}
}