TY - JOUR ID - 80 TI - Generalized Covering Groups and Direct Limits JO - Bulletin of the Iranian Mathematical Society JA - BIMS LA - en SN - 1017-060X AU - Mashayekhy, B. AU - Mirebrahimi, H. AD - Y1 - 2011 PY - 2011 VL - 33 IS - No. 1 SP - 47 EP - 64 KW - V-covering group KW - Direct limit KW - Baer invariant KW - Variety of groups DO - N2 - UR - http://bims.iranjournals.ir/article_80.html L1 - http://bims.iranjournals.ir/article_80_a7dd96e5e7a6ff2307c92a6017bf4ab2.pdf ER -