Approximation theorems in probabilistic normed spaces. Goleţ, Ioan — 2008 Novi Sad Journal of Mathematics
On generalized probabilistic 2-normed spaces. Goleţ, Ioan — 2006 Acta Universitatis Apulensis. Mathematics - Informatics
Some remarks on functions with values in probabilistic normed spaces Ioan Goleţ — 2007 Mathematica Slovaca