TY  - BOOK
AU  - Gajdidej, Yu. B.
AU  - Loktev, V. M.
ED  - Academy of Sciences of Ukrainian SSR
TI  - On the origin of energy gap in the spectrum of spin vawes of the 2nd easy-plane antiferrogaments : preprint ITP-81-23 E / 
PY  - 1981///
CY  - Kiev, 
KW  - ფიზიკა
N1  - Bibliography: p. 10
ER  -