@article{02099161,
title = {Periodic solutions in superlinear parabolic problems.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {71},
year = {2002},
pages = {19-26},
zbl = {1049.35026},
language = {en},
url = {http://dml.mathdoc.fr/item/02099161}
}
Húska, J. Periodic solutions in superlinear parabolic problems.. Acta Mathematica Universitatis Comenianae. New Series, Tome 71 (2002) pp. 19-26. http://gdmltest.u-ga.fr/item/02099161/