RT Book, Section T1 Interval neutrosophic sets and topology A1 Gallego Lupiáñez, Francisco PB WSEAS Press SN ISBN 978-960-74-034-5 YR 2008 FD 2008 LK https://hdl.handle.net/20.500.14352/53178 UL https://hdl.handle.net/20.500.14352/53178 LA eng DS Docta Complutense RD 23 abr 2025