@article{GDZPPN002351005,
title = {Pontryagin's Maximum Principle and a Minimax Problem.},
journal = {Mathematica Scandinavica},
volume = {28},
year = {1971},
pages = {55-71},
zbl = {0236.49014},
url = {http://dml.mathdoc.fr/item/GDZPPN002351005}
}
Aronsson, Gunnar. Pontryagin's Maximum Principle and a Minimax Problem.. Mathematica Scandinavica, Tome 28 (1971) pp. 55-71. http://gdmltest.u-ga.fr/item/GDZPPN002351005/