Hacettepe Journal of Mathematics and Statistics, cilt.39, sa.4, ss.515-525, 2010 (SCI-Expanded)
In this paper some relations are established between the Laplace-Beltrami operator and the curvatures of helicoidal surfaces in 3-Euclidean space. In addition, Bour's theorem on the Gauss map, and some special examples are given.