TY - JOUR AU - Labovskiy, Sergey AU - Alves, Manuel TI - On non-oscillation on semi-axis of solutions of second order deviating differential equations JO - Mathematica Bohemica PY - 2018 SP - 355 EP - 376 VL - 143 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2017.0025-17/ DO - 10.21136/MB.2017.0025-17 LA - en ID - 10_21136_MB_2017_0025_17 ER -