@article{FAA_1998_32_1_a5,
     author = {M. I. Graev},
     title = {Difference {Analogs} and $(r,s)${-Analogs} of $GG${-Functions}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {59--62},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1998_32_1_a5/}
}