@article{ZNSL_1980_100_a4,
     author = {A. V. Ivanov},
     title = {Two-sided and one-sided {Liouville} theorems for quasilinear elliptic non-divergent equations},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {59--80},
     publisher = {mathdoc},
     volume = {100},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_100_a4/}
}