TY - JOUR AU - Si, Duc Quang AU - Tran, An Hai TI - Finiteness of meromorphic functions on an annulus sharing four values regardless of multiplicity JO - Mathematica Bohemica PY - 2020 SP - 163 EP - 176 VL - 145 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2019.0121-17/ DO - 10.21136/MB.2019.0121-17 LA - en ID - 10_21136_MB_2019_0121_17 ER -