@article{01049450, title = {Boundary value problems for the diffusion equation with piecewise continuous time delay.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {187-195}, doi = {10.1155/S0161171297000239}, zbl = {0879.35065}, language = {en}, url = {http://dml.mathdoc.fr/item/01049450} }
Wiener, Joseph; Debnath, Lokenath. Boundary value problems for the diffusion equation with piecewise continuous time delay.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 187-195. doi : 10.1155/S0161171297000239. http://gdmltest.u-ga.fr/item/01049450/