On the integration schemes of retrieving impulse response functions from transfer functions. Chen, Kui Fu; Li, Yan Feng — 2010 Mathematical Problems in Engineering
Fuzzy ideals extensions of ordered semigroups. Xie, Xiang-Yun; Yan, Feng — 2005 Lobachevskii Journal of Mathematics
Ordering Cacti With n Vertices and k Cycles by Their Laplacian Spectral Radii Shu-Guang Guo; Yan-Feng Wang — 2012 Publications de l'Institut Mathématique
Congruence classes of orientable 2-cell embeddings of bouquets of circles and dipoles. Feng, Yan-Quan; Kwak, Jin-Ho; Zhou, Jin-Xin — 2010 The Electronic Journal of Combinatorics [electronic only]