MOROIANU, Sergiu; ANDRICA, Dorin. CONTEMPORARY GEOMETRY AND TOPOLOGY AND RELATED TOPICS THE 8TH INTERNATIONAL WORKSHOP ON DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS. [s.l.] : Presa Universitară Clujeană,2008. Disponível em: https://editura.ubbcluj.ro/index.php/puc/catalog/book/3732. Acesso em: 14 may. 2026.