@article{Dragan_1999 author = {Yaroslav P. Dragan and G. M. Osukhivskaya}, title = {Description of Sound Cardiosignals by Periodically Correlated Random Process Model}, journal = {Journal of Automation and Information Sciences}, issn = {1064-2315}, year = {1999}, volume = {31}, number = {7-9}, pages = {59--63} }