Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1987__55_4_133368, author = {Alex Pothen}, title = {Sparse {Null} {Basis} {Computations} in {Structural} {Optimization.}}, journal = {Numerische Mathematik}, pages = {501--520}, publisher = {mathdoc}, volume = {55}, number = {4}, year = {1987}, zbl = {0664.65040}, url = {http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133368/} }
Alex Pothen. Sparse Null Basis Computations in Structural Optimization.. Numerische Mathematik, Tome 55 (1987) no. 4, pp. 501-520. http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133368/