[MathOuvrage]
Mapping degree theory
/ Outerelo Dominguez, Enrique ; Ruiz, Jesus M..
-Providence RI : American mathematical Society, 2009. - x, 244 p. ; 26 cm
ISBN 9780821849156
[MathOuvrage]
Algebraic and analytic geometry of fans
/ Andradas, Carlos ; Ruiz, Jesus M..
-Providence RI : American mathematical Society, 1995. - vi, 117 p. ; 26 cm
ISBN 9780821826126