(NrASSEQNIE \NERGII PRI KOLEBANIQH MEHANI^ESKIH SISTEM (B/s - (NpISARENKO(B, (Ng(B. (Ns(B.s; (NiNSTITUT PROBLEM PRO^NOSTI an uKRAINSKOJ ssrs ((NkIEW (B:s (NnAUKOWA DUMKA (B,s, 1974)
Keywords: (NfIZIKAs