Guy Rosman and  Alexander M. Bronstein and  Michael M. Bronstein and  Ron Kimmel,  Manifold Analysis by Topologically Constrained Isometric Embedding.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2008, vol. 22(10). 3534 - 3540
    [viewed 01 June 2020]. Available from: https://publications.waset.org/pdf/13076.