%0 Journal Article %T On group Elements Having Square Roots %J Bulletin of the Iranian Mathematical Society %I Iranian Mathematical Society (IMS) %Z 1017-060X %A Kumar Das, A. %D 2011 %\ 01/22/2011 %V 31 %N No. 2 %P 33-36 %! On group Elements Having Square Roots %K finite group %K Projective special linear group %R %X %U http://bims.iranjournals.ir/article_95_c17a615bb96a3b5ffcdedeea0947f3d6.pdf