Search results for: Rostyslav Voytsitskyy
Open Mathematics > 2008 > 6 > 2 > 228-236
Central European Journal of Mathematics > 2008 > 6 > 2 > 228-236
Open Mathematics > 2008 > 6 > 2 > 228-236
Central European Journal of Mathematics > 2008 > 6 > 2 > 228-236