@article{FAA_1989_23_3_a11,
     author = {Yu. I. Lyubarskii},
     title = {Basicity of a portion of a root system of a polynomial bundle},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {67--68},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1989_23_3_a11/}
}