(NgEOLOGIQ mONGOLXSKOJ nARODNOJ rESPUBLIKI(B. (NmAGMATIZM(B.(NmETAMORFIZM(B.(NtEKTONIKA(B.s ((NmOSKWAs (NnEDRAs, 1973)