%0 Journal Article %A Pickenhain, Sabine %A Lykina, Valeriya %A Wagner, Marcus %T On the lower semicontinuity of functionals involving Lebesgue or improper Riemann integrals in infinite horizon optimal control problems %J Control and Cybernetics %D 2008 %P 451-468 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_2_a10/ %G en %F CC_2008_37_2_a10