TY  - JOUR
AU  - Stynes, Martin
AU  - Kellogg, R. Bruce
TI  - $N$-widths for singularly perturbed problems
JO  - Mathematica Bohemica
PY  - 2002
SP  - 343
EP  - 352
VL  - 127
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.2002.134155/
DO  - 10.21136/MB.2002.134155
LA  - en
ID  - 10_21136_MB_2002_134155
ER  -