@article{FAA_1988_22_2_a9,
     author = {Yu. M. Vorob'ev and S. Yu. Dobrokhotov},
     title = {Completeness of the system of eigenfunctions of a nonelliptic operator on the torus, generated by a {Hill} operator with a finite-zone potential},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {65--66},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1988_22_2_a9/}
}