@article{03910905, title = {A temperature control problem.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {7}, year = {1984}, pages = {113-116}, doi = {10.1155/S0161171284000120}, zbl = {0571.35059}, language = {en}, url = {http://dml.mathdoc.fr/item/03910905} }
Athanasopoulos, Ioannis. A temperature control problem.. International Journal of Mathematics and Mathematical Sciences, Tome 7 (1984) pp. 113-116. doi : 10.1155/S0161171284000120. http://gdmltest.u-ga.fr/item/03910905/