μ -stability of impulsive neural networks with unbounded time-varying delays and continuously distributed delays. Yin, Lizi, Fu, Xilin (2011) Advances in Difference Equations [electronic only]
Некоторые флуктуационные характеристики параметров возбудимости Л.А. Шестернева (1978) Verojatnostnye metody i kibernetika