TY  - JOUR
AU  - Z. Kowalski
TI  - The polygonal method of solving the differential equation y' = h(t, y, y, y')
JO  - Annales Polonici Mathematici
PY  - 1963
SP  - 173
EP  - 204
VL  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-13-2-173-204/
DO  - 10.4064/ap-13-2-173-204
LA  - en
ID  - 10_4064_ap_13_2_173_204
ER  -