TY - JOUR AU - Vrábeľ, Róbert TI - Quasilinear and quadratic singularly perturbed periodic boundary value problem JO - Archivum mathematicum PY - 2000 SP - 1 EP - 7 VL - 36 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2000__36_1_a0/ LA - en ID - ARM_2000__36_1_a0 ER -