TY  - JOUR
AU  - S. N. Kruzhkov
TI  - Generalized solutions of the Hamilton--Jacobi equations of eikonal type. I.~Formulation of the problems; existence, uniqueness and stability theorems; some properties of the solutions
JO  - Sbornik. Mathematics
PY  - 1975
SP  - 406
EP  - 446
VL  - 27
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1975_27_3_a6/
LA  - en
ID  - SM_1975_27_3_a6
ER  -