RT Book, Section T1 Points of view on the Poincaré problem. (Catalan) A1 Montesinos Amilibia, José María A2 Castellet, Manuel AB This is a brief, elementary and nontechnical introduction to 3-dimensional topology. PB Institut d'Estudis Catalans SN 84-7283-058-6 YR 1984 FD 1984 LK https://hdl.handle.net/20.500.14352/65465 UL https://hdl.handle.net/20.500.14352/65465 DS Docta Complutense RD 7 may 2024