Authors: BELGER M

Citation: M. Belger, PRINCIPAL VECTORS OF CRYSTALLOGRAPHIC GROUPS AND APPLICATIONS, Journal of mathematical chemistry, 16(3-4), 1994, pp. 367-388

Authors: KOWALSKI O BELGER M

Citation: O. Kowalski et M. Belger, RIEMANNIAN METRICS WITH THE PRESCRIBED CURVATURE TENSOR AND ALL ITS COVARIANT DERIVATIVES AT ONE-POINT, Mathematische Nachrichten, 168, 1994, pp. 209-225