@article{AA_2013_25_5_a3,
     author = {A. B. Zheglov},
     title = {On rings of commuting partial differential operators},
     journal = {Algebra i analiz},
     pages = {86--145},
     year = {2013},
     volume = {25},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2013_25_5_a3/}
}