@article{PMFA_1965_10_5_a2,
     author = {\v{C}aban, A. A.},
     title = {Zosilenie ultrazvukov\'ych a hyperzvukov\'ych v\'ln v kry\v{s}t\'aloch},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {268--278},
     year = {1965},
     volume = {10},
     number = {5},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1965_10_5_a2/}
}