Lykov A.N. , Prishchepa S.L. , Maritato L.. , Attanasio C.. , Salvato M.. , Coccorese C.. , Mercaldo L.V. , Falco C.M. Angular dependence of the upper critical field in Nb/CuMn multilayers. Phys.Rev. , Vol.57B,N10 , с. P.6056-6060 , 01.1998