%0 Journal Article %A Domoshnitsky, Alexander %T Positivity of Green's matrix of nonlocal boundary value problems %J Mathematica Bohemica %D 2014 %P 621-638 %V 139 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2014.144139/ %R 10.21136/MB.2014.144139 %G en %F 10_21136_MB_2014_144139