Hai-Yan Zheng Jin-Bao Jian Chun-Ming Tang 0002 Ran Quan A new norm-relaxed SQP algorithm with global convergence. 670-675 2010 23 Appl. Math. Lett. 6 https://doi.org/10.1016/j.aml.2010.02.005 db/journals/appml/appml23.html#ZhengJTQ10