@article{DAN_1987_296_1_a13,
     author = {A. V. Kalinin and L. M. Kulnitskiy and A. S. Polyakov},
     title = {The use of dynamic characteristics of reflected waves
},
     journal = {Doklady Akademii Nauk},
     pages = {64--66},
     publisher = {mathdoc},
     volume = {296},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_296_1_a13/}
}