TY  - JOUR
AU  - Pech, Pavel
TI  - A sharpening of a discrete analog of Wirtinger's and isoperimetric inequalities
JO  - Mathematica Bohemica
PY  - 1992
SP  - 425
EP  - 428
VL  - 117
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126056/
DO  - 10.21136/MB.1992.126056
LA  - en
ID  - 10_21136_MB_1992_126056
ER  -