WEYL TENSORS DEFINED BY A SPRAY OF DIRECTIONS - DEL CASTILLO, LM (UNIV AUTONOMA MEXICO,DEPT MATEMATICAS,MEXICO CITY 13,MEXICO, 1977)
COM REN HEBD SEAN ACAD SCI SERIE A
Keywords: WEYL TENSORS, SPRAY, DIRECTIONS; MULTIDISCIPLINARIA; GEOMETRIA; GEOETRIA DIFERENCIAL