@article{SM_1991_70_1_a2,
     author = {N. A. Lar'kin},
     title = {On~solvability of stationary transonic equations in the unbounded domain},
     journal = {Sbornik. Mathematics},
     pages = {31--45},
     publisher = {mathdoc},
     volume = {70},
     number = {1},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1991_70_1_a2/}
}