@article{JCA_2006_13_3_JCA_2006_13_3_a18,
     author = {V. Jeyakumar and Z. Y. Wu},
     title = {A {Qualification} {Free} {Sequential} {Pshenichnyi-Rockafellar} {Lemma} and {Convex} {Semidefinite} {Programming}},
     journal = {Journal of convex analysis},
     pages = {773--784},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/JCA_2006_13_3_JCA_2006_13_3_a18/}
}