Media type: E-Article Title: Criteria for singularities for mappings from two-manifold to the plane. The number and signs of cusps Contributor: Krzyżanowska, Iwona; Nowel, Aleksandra imprint: Tokyo Institute of Technology, Department of Mathematics, 2017 Published in: Kodai Mathematical Journal Language: Not determined DOI: 10.2996/kmj/1499846594 ISSN: 0386-5991 Keywords: General Mathematics Origination: Footnote: Access State: Open Access