@article{INTD_1983_23_a1,
     author = {B. A. Dubrovin},
     title = {Matrix finite-gap operators},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya},
     pages = {33--78},
     publisher = {mathdoc},
     volume = {23},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTD_1983_23_a1/}
}