@article{DAN_1985_280_1_a22,
     author = {P. I. Kolykhalov},
     title = {Amplification of acoustical disturbances in the case of reflection},
     journal = {Doklady Akademii Nauk},
     pages = {95--98},
     publisher = {mathdoc},
     volume = {280},
     number = {1},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_280_1_a22/}
}