@article{FAA_2018_52_3_a4,
     author = {V. S. Oganesyan},
     title = {Commuting {Differential} {Operators} of {Rank} 2 with {Rational} {Coefficients}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {53--65},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2018_52_3_a4/}
}