info:oai:pure.iiasa.ac.at:14526info:ofi/fmt:xml:xsd:journalKurzhanskiA.Kurzhanski, A.FilippovaT.F.Filippova, T.F.619890294-1449On the Set-Valued Calculus in Problems of Viability and Control for Dynamic Processes: The Evolution EquationAnnales de l'Institut Henri Poincare (C) Non Linear Analysis339-363article