@article{01750382,
title = {Boundary control problem with an infinite number of variables.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {57-62},
doi = {10.1155/S0161171201007128},
zbl = {0999.49003},
language = {en},
url = {http://dml.mathdoc.fr/item/01750382}
}
El-Saify, Hussain A. Boundary control problem with an infinite number of variables.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 57-62. doi : 10.1155/S0161171201007128. http://gdmltest.u-ga.fr/item/01750382/