@article{MZM_1996_59_6_a3,
     author = {V. G. Durnev},
     title = {On the solvability problem for equations with a~single coefficient},
     journal = {Matemati\v{c}eskie zametki},
     pages = {832--845},
     publisher = {mathdoc},
     volume = {59},
     number = {6},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_59_6_a3/}
}