RT Journal Article T1 Multihomotopy sets and transformations induced by shape A1 Rodríguez Sanjurjo, José Manuel PB Oxford University Press SN 0033-5606 YR 1991 FD 1991-12 LK https://hdl.handle.net/20.500.14352/57696 UL https://hdl.handle.net/20.500.14352/57696 DS Docta Complutense RD 7 abr 2025