@article{VMUMM_1988_3_a23,
     author = {A. S. Popeluhin},
     title = {Local solvability of pseudo-differential operators with double characteristics},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {75--77},
     publisher = {mathdoc},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_3_a23/}
}