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Yanita, Abdul Ghafur Ahmad       Computing generators of second homotopy
module using Tietze transformation methods       Int. Journal of Contemp. Math. Sciences, Vol. 8, 2013, no. 15, 699-704
      http://dx.doi.org/10.12988/ijcms.2013.3679
Copyright © 2013 Yanita and Abdul Ghafur Ahmad. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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