@article{RSM_2003__61_2_116638,
     author = {Gramchev, T.},
     title = {Perturbative methods in scales of {Banach} spaces: applications for {Gevrey} regularity of solutions to semilinear partial differential equations.},
     journal = {Rendiconti del seminario matematico},
     pages = {101--134},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2003},
     zbl = {1178.35139},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2003__61_2_116638/}
}