TY  - JOUR
AU  - Krejčí, Pavel
TI  - Hard implicit function theorem and small periodic solutions to partial differential equations
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1984
SP  - 519
EP  - 536
VL  - 25
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1984__25_3_a8/
LA  - en
ID  - CMUC_1984__25_3_a8
ER  -