%0 Journal Article %A I. N. Parasidis %A P. C. Tsekrekos %A T. G. Lokkas %T Correct and selfadjoint problems with cubic operators %J Zapiski Nauchnykh Seminarov POMI %D 2009 %P 194-209 %V 373 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2009_373_a12/ %G ru %F ZNSL_2009_373_a12