TY  - JOUR
AU  - Pták, Vlastimil
TI  - On approximation of continuous functions in the metric $\int_a^b |x(t)| dt$
JO  - Czechoslovak Mathematical Journal
PY  - 1958
SP  - 267
EP  - 273
VL  - 08
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1958.100301/
DO  - 10.21136/CMJ.1958.100301
LA  - en
ID  - 10_21136_CMJ_1958_100301
ER  -