@article{MZM_1993_53_3_a12,
     author = {O. A. Chalykh},
     title = {On a~construction of commutative rings of differential operators},
     journal = {Matemati\v{c}eskie zametki},
     pages = {121--130},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a12/}
}