@article{DAN_1980_253_3_a11,
     author = {R. Yu. Amenzade},
     title = {Waves in an inhomogeneous tube containing a fluid},
     journal = {Doklady Akademii Nauk},
     pages = {562--564},
     publisher = {mathdoc},
     volume = {253},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_253_3_a11/}
}