RT Generic T1 Virtual knots : the state of the art [book review] A1 Cano Sevilla, Francisco Jose PB European Mathematical Society YR 2013 FD 2013 LK https://hdl.handle.net/20.500.14352/73569 UL https://hdl.handle.net/20.500.14352/73569 NO MANTUROV, Vassily Olegovich y Denis Petrovich Ilyutko, "Virtual knots : the state of the art". World Scientific, 2012. ISBN 9789814401128 DS Docta Complutense RD 15 may 2024