%0 Journal Article %A M. Karatopraklieva %T On a Nonlocal Boundary Value Problem for Linear Differential Equations of Changing Type. Hyperbolic-Parabolic Equations, Antiperiodic Solutions %J Mathematica balkanica %D 2010 %P 131 %V 24 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2010_24_1-2_a9/ %F MABA_2010_24_1-2_a9