(1977). Sparse matrix techniques, Copenhagen 1976: Advanced course, held at the Technical University of Denmark, Copenhagen, August 9-12, 1976 / edited by V. A. Barker.
Čikaški stil citiranja (17. izdanje)Sparse Matrix Techniques, Copenhagen 1976: Advanced Course, Held at the Technical University of Denmark, Copenhagen, August 9-12, 1976 / Edited by V. A. Barker. 1977.
MLA način citiranja (9. izdanje)Sparse Matrix Techniques, Copenhagen 1976: Advanced Course, Held at the Technical University of Denmark, Copenhagen, August 9-12, 1976 / Edited by V. A. Barker. 1977.
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