@article{01594850,
title = {The existence theorem for one class of optimal problems in Banach space.},
journal = {Memoirs on Differential Equations and Mathematical Physics},
volume = {19},
year = {2000},
pages = {151-156},
zbl = {0974.49005},
language = {en},
url = {http://dml.mathdoc.fr/item/01594850}
}
Tadumadze, T.; Gelashvili, K. The existence theorem for one class of optimal problems in Banach space.. Memoirs on Differential Equations and Mathematical Physics, Tome 19 (2000) pp. 151-156. http://gdmltest.u-ga.fr/item/01594850/