@article{TRSPY_1968_95_a4, author = {P. V. Krauklis}, title = {Head waves in a~medium with a~high-speed layer}, journal = {Informatics and Automation}, pages = {98--105}, publisher = {mathdoc}, volume = {95}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1968_95_a4/} }