@article{10_14708_cm_v30i1_6308,
     author = {Y. Wang},
     title = {Some time optimal control problems in non-reflexive {Banach} spaces},
     journal = {Commentationes Mathematicae},
     pages = { 205--219},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1990},
     doi = {10.14708/cm.v30i1.6308},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v30i1.6308/}
}