@article{bwmeta1.element.bwnjournal-article-smv45i1p12bwm,
author = {J. Zabczyk},
title = {Optimal control by means switchings},
journal = {Studia Mathematica},
volume = {48},
year = {1973},
pages = {161-171},
zbl = {0266.93068},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv45i1p12bwm}
}
Zabczyk, J. Optimal control by means switchings. Studia Mathematica, Tome 48 (1973) pp. 161-171. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv45i1p12bwm/