TY - JOUR AU - Tripathy, Arun K. AU - Santra, Shyam S. TI - Necessary and sufficient conditions for oscillation of second-order differential equations with nonpositive neutral coefficients JO - Mathematica Bohemica PY - 2021 SP - 185 EP - 197 VL - 146 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2020.0063-19/ DO - 10.21136/MB.2020.0063-19 LA - en ID - 10_21136_MB_2020_0063_19 ER -