@article{GDZPPN001183079, title = {Sparse Null Basis Computations in Structural Optimization.}, journal = {Numerische Mathematik}, volume = {55}, year = {1987}, pages = {501-520}, zbl = {0664.65040}, url = {http://dml.mathdoc.fr/item/GDZPPN001183079} }
Pothen, Alex. Sparse Null Basis Computations in Structural Optimization.. Numerische Mathematik, Tome 55 (1987) pp. 501-520. http://gdmltest.u-ga.fr/item/GDZPPN001183079/