@article{bwmeta1.element.bwnjournal-article-smv33i1p15bwm,
author = {Gra\.zyna Toporowska},
title = {The minimal norm problem and Pontriagin's maximum principle for Banach spaces (I)},
journal = {Studia Mathematica},
volume = {32},
year = {1969},
pages = {175-183},
zbl = {0182.20902},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv33i1p15bwm}
}
Toporowska, Grażyna. The minimal norm problem and Pontriagin's maximum principle for Banach spaces (I). Studia Mathematica, Tome 32 (1969) pp. 175-183. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv33i1p15bwm/