TY  - JOUR
AU  - W. Mlak
TI  - Estimates of solutions of hyperbolic systems of differential equations in two independent variables
JO  - Annales Polonici Mathematici
PY  - 1962
SP  - 191
EP  - 197
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-12-2-191-197/
DO  - 10.4064/ap-12-2-191-197
LA  - en
ID  - 10_4064_ap_12_2_191_197
ER  -