@article{Makris2001, title = {Necessary conditions for infinite-horizon discounted two-stage optimal control problems}, author = {Miltiadis Makris}, journal = {Journal of Economic Dynamics and Control}, month = {Dec}, number = {12}, pages = {1935--1950}, url = {http://www.sciencedirect.com/science/article/B6V85-43HBY8X-6/1/a42811bcc0172a4704e8eac23dae728c}, volume = {25}, year = {2001}, biburl = {http://www.bibsonomy.org/bibtex/2311993972658320f539a59178c898f47/smicha}, keywords = {Two-stage control optimal } }