@article{702396,
     title = {Numerical aspects of computation of periodic and quasiperiodic solutions in systems of partial differential equations},
     booktitle = {Equadiff 7},
     series = {GDML\_Books},
     publisher = {BSB B.G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1990},
     pages = {260-264},
     zbl = {0717.65068},
     url = {http://dml.mathdoc.fr/item/702396}
}

Holodniok, M.; Kubíček, M. Numerical aspects of computation of periodic and quasiperiodic solutions in systems of partial differential equations, dans Equadiff 7, GDML_Books,  (1990), pp. 260-264. http://gdmltest.u-ga.fr/item/702396/