TY - JOUR AU - A. Zozulya AU - M. Saffman AU - Dana Anderson BT - Journal of the Optical Society of America B DA - 1995-01 DO - 10.1364/JOSAB.12.001036 PY - 1995 EP - 1036 T2 - Journal of the Optical Society of America B TI - Stability analysis of two photorefractive ring resonator circuits: the flip-flop and the feature extractor VL - 12 SN - 0740-3224 ER -