@article{FAA_2013_47_2_a9,
     author = {S. V. Kislyakov and D. V. Maksimov and D. M. Stolyarov},
     title = {Spaces of {Smooth} {Functions} {Generated} by {Nonhomogeneous} {Differential} {Expressions}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {89--92},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2013_47_2_a9/}
}