@article{PORMA_2002__59_2_50215,
     author = {Saint Jean Paulin, J. and Zoubairi, H.},
     title = {Optimal control and {\textquotedblleft}strange term},
     journal = {Portugaliae mathematica},
     pages = {161--178},
     publisher = {mathdoc},
     volume = {59},
     number = {2},
     year = {2002},
     zbl = {1017.49005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_2002__59_2_50215/}
}