@unpublished{bachir:hal-01524112, TITLE = {{Discrete time pontryagin principles in banach spaces}}, AUTHOR = {Bachir, Mohammed and Blot, Jo{\"e}l}, URL = {https://paris1.hal.science/hal-01524112}, NOTE = {working paper or preprint}, YEAR = {2017}, MONTH = May, KEYWORDS = {Pontryagin principle ; discrete time ; infinite horizon ; difference equa- ; tion ; Banach spaces ; MSC 2000: 49J21 ; 65K05 ; 39A99}, PDF = {https://paris1.hal.science/hal-01524112/file/Bachir_Blot_3.pdf}, HAL_ID = {hal-01524112}, HAL_VERSION = {v1}, }