Differential geometry / edited by Gy. So�s and J. Szenthe. So�s, Gy. Szenthe, J�nos. Bolyai J�nos Matematikai T�rsulat. Colloquium on Differential Geometry (1979 : Budapest, Hungary) Geometry, Differential. QA641 .D38 1982 516.7 19 SOD Papers presented at a Colloquium on Differential Geometry, Budapest, Sept. 3-7, 1979, which was organized by the J�nos Bolyai Mathematical Society. Includes bibliographies. Amsterdam ; New York : North-Holland Pub. Co. : J�nos Bolyai Mathematical Society, c1982. c1982. 1982 Text 829 p. : eng Colloquia mathematica Societatis J�nos Bolyai, 0139-3383 ; 31