@article{TMF_2010_162_3_a1,
     author = {A. B. Shabat and Z. S. El'kanova},
     title = {Commuting differential operators},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {334--344},
     publisher = {mathdoc},
     volume = {162},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2010_162_3_a1/}
}