TY - JOUR AU - Vrábeľ, Róbert TI - Asymptotic behavior of $T$-periodic solutions of singularly perturbed second-order differential equation JO - Mathematica Bohemica PY - 1996 SP - 73 EP - 76 VL - 121 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.125946/ DO - 10.21136/MB.1996.125946 LA - en ID - 10_21136_MB_1996_125946 ER -