The local isometric embedding in R3 of two-dimensional riemannian manifolds with gaussian curvature changing sign cleanly

CHANG-SHOU LIN2018-09-102018-09-101986http://scholars.lib.ntu.edu.tw/handle/123456789/321460The local isometric embedding in R3 of two-dimensional riemannian manifolds with gaussian curvature changing sign cleanlyjournal article