Mandal, Sankar Prasad. Study of some types of Riemannian manifolds / researched by Sankar Prasad Mandal; guided by M.C.Chaki. - Midnapore : Vidyasagar University , 1998. - 88p. : ills.,figs.,photos,tables ; 28cm . Document represents Ph.D Thesis Subjects--Index Terms: GEOMETRY,RIEMANNIAN RIEMANNIAN MANIFOLDS Dewey Class. No.: 516.373 / MAN/S