Correo interno
Geometric Topology
Conference in honor of Evgeny Shchepin on the occasion of his 60th birthday.
Oaxaca de Juárez, Oaxaca, México. 15 al 16 de octubre de 2011.
http://www.matem.unam.mx/geometrictopology/
http://www.matem.unam.mx/geometrictopology/
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Geometric Topology