@article{FAA_1980_14_2_a20,
     author = {V. V. Minakhin},
     title = {Liouville's theorem and {Harnack's} inequality for {Beltrami's} equation on an arbitrary manifold},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {71--72},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_2_a20/}
}