[1]
PYO, Y.-S. and SHIN, Y.-T. 1991. ON THE TOTAL CURVATURE OF SURFACES IMMERSED IN EUCLIDEAN SPACES OF DIMENSION HIGHER THAN FOUR. Tamkang Journal of Mathematics. 22, 2 (Jun. 1991), 113–122. DOI:https://doi.org/10.5556/j.tkjm.22.1991.4581.