Authors: Agranovich, MS Arnol'd, VI Vasil'ev, DG Vishik, MI Gel'fand, IM Gol'denveizer, AL Kostyuchenko, AG Kudryavtsev, LD

Citation: Ms. Agranovich et al., Victor Borisovich Lidskii (on his 75th birthday), RUSS MATH S, 54(5), 1999, pp. 1077-1085