@article{SM_1977_33_1_a2,
     author = {G. A. Kalyabin},
     title = {Characterization of spaces of generalized {Liouville} differentiation},
     journal = {Sbornik. Mathematics},
     pages = {37--42},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_33_1_a2/}
}