%0 Journal Article %A I. Faizov %T Ramification jump in model extensions of degreeĀ $p$ %J Zapiski Nauchnykh Seminarov POMI %D 2013 %P 183-218 %V 413 %U http://geodesic.mathdoc.fr/item/ZNSL_2013_413_a9/ %G ru %F ZNSL_2013_413_a9