Não informado. (1993). Topological methods in nonlinear analysis. Juliusz Schauder Center.
Lua i Stíl Chicago (17ú heag.)Não informado. Topological Methods in Nonlinear Analysis. Torun, Polonia: Juliusz Schauder Center, 1993.
Lua MLA (8ú heag.)Não informado. Topological Methods in Nonlinear Analysis. Juliusz Schauder Center, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.