@article{FAA_1977_11_2_a7,
     author = {V. V. Grushin},
     title = {Construction of a parametrix for degenerate elliptic operators by the method of double-scale asymptotic expansions},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {76--77},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1977_11_2_a7/}
}