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2. Contributions to the theory of generalized inverses;Ben-Israel;J. Soc. Ind. Appl. Math.,1963
3. An explicit solution of a special class of linear programming problems;Ben-Israel;Operations Res.,1968
4. Applications of calculus of matrices to methods of least squares; with special reference to geodetic calculations;Bjerhammer;Kungl. Tekn. Hogsk. Handl.,1951
5. A generalized matrix algebra;Bjerhammer;Kungl. Tekn. Hogsk. Handl.,1958