Olga Aleksandrovna Ladyzhenskaya - (Obituary) - Arnol'd, V; Birman, MS; Vershik, A; Vishik, M; Gel'fand, I; Ibragimov, I; Maslov, V; Novikov, S; Seregin, G; Sinai, Y; Solomyak, M; Solonnikov, V; et al. (2004)