Giancarlo Bigi, Marco Castellani. K-epiderivatives for set-valued functions and optimization. Math. Meth. of OR, 55(3):401-412, 2002. [doi]
@article{BigiC02, title = {K-epiderivatives for set-valued functions and optimization}, author = {Giancarlo Bigi and Marco Castellani}, year = {2002}, doi = {10.1007/s001860200187}, url = {http://dx.doi.org/10.1007/s001860200187}, researchr = {https://researchr.org/publication/BigiC02}, cites = {0}, citedby = {0}, journal = {Math. Meth. of OR}, volume = {55}, number = {3}, pages = {401-412}, }