TY - JOUR AU - Mawhin, Jean AU - Szymańska-Dębowska, Katarzyna TI - Bound sets and two-point boundary value problems for second order differential systems JO - Mathematica Bohemica PY - 2019 SP - 373 EP - 392 VL - 144 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2019.0014-19/ DO - 10.21136/MB.2019.0014-19 LA - en ID - 10_21136_MB_2019_0014_19 ER -