Baier, Robert ; Farkhi, Elza: Regularity of set-valued maps and their selections through set differences. Part 1: Lipschitz continuity. Bayreuth , 2013 . - 24 S.
Baier, Robert ; Farkhi, Elza: Regularity of set-valued maps and their selections through set differences. Part 2: One-sided Lipschitz properties. Department of Mathematics, University of Bayreuth Bayreuth, Germany , 2013 . - 29 S.