@article{TMF_1995_102_2_a0,
     author = {T. I. Garagash and A. K. Pogrebkov},
     title = {Scattering problem for the differential operator $\partial_x\partial_y+1+a(x,y)\partial_y+ 
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {163--182},
     publisher = {mathdoc},
     volume = {102},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1995_102_2_a0/}
}