00789nam0-22003011i-450-99000050071040332120071008155007.0000050071FED01000050071(Aleph)000050071FED0100005007120020821d1982----km-y0itay50------bafrerusa-------001yyRésonateurs optiques et problème de divergence du rayonnement laserY. AnanievMoscowMIRc1982355 p.ill.22 cmOtticaLaser535.2621.366Ananiev,Y.ITUNINARICAUNIMARCBK99000050071040332110 B III 254713 D.E.DINELDINELUNINA