TY - JOUR AU - Liu, Liya AU - Gu, Feng TI - Common fixed point theorems for six self-maps in \(b\)-metric spaces with nonlinear contractive conditions JO - Journal of nonlinear sciences and its applications PY - 2016 SP - 5909 EP - 5930 VL - 9 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.22436/jnsa.009.12.02/ DO - 10.22436/jnsa.009.12.02 LA - en ID - JNSA_2016_9_12_a1 ER -