On the solution sets of some nonconvex hyperbolic differential inclusions Francesco S. de Blasi; Giulio Pianigiani; Vasile Staicu — 1995 Czechoslovak Mathematical Journal
Continuous selections of solution sets to Volterra integral inclusions in Banach spaces. Aizicovici, Sergiu; Staicu, Vasile — 2006 Electronic Journal of Differential Equations (EJDE) [electronic only]