Search results for: Valeriu Popa
Fasciculi Mathematici > 2019 > nr 62 > 103--119
Annales Mathematicae Silesianae > 2015 > 29 > 1 > 119-129
Vietnam Journal of Mathematics > 2013 > 41 > 2 > 233-244
Fasciculi Mathematici > 2019 > nr 62 > 103--119
Annales Mathematicae Silesianae > 2015 > 29 > 1 > 119-129
Vietnam Journal of Mathematics > 2013 > 41 > 2 > 233-244