TY  - JOUR
T1  - Optimal error estimates for nonstationary singularly perturbed problems for low disretization orders
A1  - Vlasák, Miloslav
A1  - Roos, Hans-Goerg
JA  - ACC Journal
Y1  - 2012
VL  - XVIII
IS  - 4
SP  - 146
EP  - 153
SN  - 1803-9782
ER  -