@article{10_4064_am38_1_2,
     author = {Urszula Ledzewicz and Mohammad Naghnaeian and Heinz Sch\"attler},
     title = {An optimal control approach to cancer treatment under immunological activity},
     journal = {Applicationes Mathematicae},
     pages = {17--31},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {2011},
     doi = {10.4064/am38-1-2},
     zbl = {1215.49030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am38-1-2/}
}