(NzADA^I PO FIZIKE S TEHNI^ESKIM SODERVANIEMs - (NbONDARX w(B. (Na(B., (NkULXBICKIJ d(B. (Ni(B., (NqKOWENKO w(B. (Na(B.s ((NmINSKs (NnARODNAQ ASWETAs, 1986)