01019nam a22002297a 4500952011500000952011500115999001900230003000700249005001700256008004100273041000800314080000700322100002900329245023300358264001800591300001100609504002500620653002300645700002600668710008300694942001200777  00142udc4070aCPLbCPLcGENd2020-11-16l0o53p2020-13368969r2020-11-16 00:00:00t2E32224w2020-11-16yBK  00142udc4070aCPLbCPLcGENd2020-11-16l0o53p2020-13368970r2020-11-16 00:00:00t2E33727w2020-11-16yBK  c548967d548965Ge_NSL20201116165555.0201116s1981    ua ||||| |||| 00| 0 eng d  aeng  a53  9182187aGajdidej, Yu. B.  aOn the origin of energy gap in the spectrum of spin vawes of the 2nd easy-plane antiferrogaments bpreprint ITP-81-23 E / cYu. B. Gaididei, V. M. Loktev ; Academy of Sciences of Ukrainian SSR, Institute for Theoretical Physics.  aKiev, c1981.  a10 p.   aBibliography: p. 10.  aფიზიკა  9182189aLoktev, V. M.  977583aAcademy of Sciences of Ukrainian SSRbInstitute for Theoretical Physics  2udccBK