@article{PORMA_2006__63_1_52485, author = {Moreira, C\'elia}, title = {Singularities of optimal averaged profit for stationary strategies.}, journal = {Portugaliae mathematica}, pages = {1--10}, publisher = {mathdoc}, volume = {63}, number = {1}, year = {2006}, zbl = {1091.49018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_2006__63_1_52485/} }