Jonathan E. Spingarn. On optimality conditions for structured families of nonlinear programming problems. Math. Program., 22(1):82-92, 1982. [doi]
@article{Spingarn82,
title = {On optimality conditions for structured families of nonlinear programming problems},
author = {Jonathan E. Spingarn},
year = {1982},
doi = {10.1007/BF01581027},
url = {http://dx.doi.org/10.1007/BF01581027},
researchr = {https://researchr.org/publication/Spingarn82},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {22},
number = {1},
pages = {82-92},
}