Parmanand GUPTA Topics in Different Geometry and calculus of variation - 1ère édition - New Delhi: Firewall Media, 2012 - (194p.): ill; couv en coul, 25 cm ISBN: 978-93-80298-81-8 Subjects--Index Terms: Enseignement, Géometrie, Calcul de variation Dewey Class. No.: 516.07