@article{DAN_1979_245_6_a15,
     author = {N. S. Bakhvalov},
     title = {On the sound velocity in mixtures},
     journal = {Doklady Akademii Nauk},
     pages = {1345--1348},
     publisher = {mathdoc},
     volume = {245},
     number = {6},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_245_6_a15/}
}