TY - JOUR AU - Domoshnitsky, Alexander TI - Positivity of Green's matrix of nonlocal boundary value problems JO - Mathematica Bohemica PY - 2014 SP - 621 EP - 638 VL - 139 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2014.144139/ DO - 10.21136/MB.2014.144139 LA - en ID - 10_21136_MB_2014_144139 ER -