TY - JOUR AU - Qiuying Li AU - Chuanxi Zhu TI - The Fixed-Point Index of Nonlinear Operators in Menger PN-Spaces JO - Matematičeskie zametki PY - 2011 SP - 104 EP - 112 VL - 90 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2011_90_1_a9/ LA - ru ID - MZM_2011_90_1_a9 ER -