(NsTATISTI^ESKIE I DINAMI^ESKIE ZADA^I UPRUGOSTI I WQZKOUPRUGOSTI (B/s - (NpOZDEEW(B, (Na(B.(Na(B.s; (NuRALXSKIJ NAU^NYJ CENTR an sssrs ((NsWERDLOWSK (B:s (Nb(B. (NI(B.,s, 1983)
Keywords: (NfIZIKAs