"Variedades cuatridimensionales (Topología)" . . . . "Superficies algebraicas." . . "Teoría homotópica." . . "Mannigfaltigkeit." . . "Variété topologique de dimension 4." . . "Geometrie algebrică." . . . . "The algebraic characterization of geometric 4- manifolds" . . . . . . . . . . . . . "The algebraic characterization of geometric 4-manifolds" . "The algebraic characterization of geometric 4-manifolds"@en . . . . "The Algebraic Characterization of Geometric 4-Manifolds"@en . . . . . . . . . . . . . . . . . "The Algebraic characterization of geometric 4-manifolds" . . . . "Electronic books" . "This book is essential reading for anyone interested in low-dimensional topology."@en . "Electronic books"@en . . . . . "Varietats diferenciables" . . "Manifolds." . . "MATHEMATICS / Topology" . . "Variétés topologiques à 4 dimensions." . . "Varietats quadridimensionals (Topologia)" . . "Dimension 4." . . "Topologie algébrique." . . "Homotopie." . .