Authors: Balcerzak, R Peredko, J Pol, R

Citation: R. Balcerzak et al., On non-injectivity of Borel functions selecting points from compact sets, ARCH MATH, 73(4), 1999, pp. 286-290

Authors: Balcerzak, M Peredko, J

Citation: M. Balcerzak et J. Peredko, One-to-one Borel selection theorems, P AM MATH S, 127(9), 1999, pp. 2759-2766