@Article{ VILLANUEVA_RODRÍGUEZ_DEL:407-431,
author = { NEFTALI VILLANUEVA FERNANDEZ and ANTONIO M. RODRÍGUEZ GARZÓN and AURORA INÉS DEL RÍO CABEZA } ,
title = { TENSOR STRUCTURES ON HOMOTOPY GROUPOIDS OF TOPOLOGICAL SPACES },
journal = { INTERNATIONAL MATHEMATICAL JOURNAL },
year = { 2002 },
volume = { 2 },
issn = { 1311-6797 },
pages = { 407-431 },
}