vol. 29, no. 2 (2009)

On some quadrature rules with Gregory end corrections
Bogusław Bożek, Wiesław Solak, Zbigniew Szydełko
Opuscula Math. 29, no. 2 (2009), 117-129, http://dx.doi.org/10.7494/OpMath.2009.29.2.117
A note on the p-domination number of trees
You Lu, Xinmin Hou, Jun-Ming Xu
Opuscula Math. 29, no. 2 (2009), 157-164, http://dx.doi.org/10.7494/OpMath.2009.29.2.157
On the diameter of dot-critical graphs
Doost Ali Mojdeh, Somayeh Mirzamani
Opuscula Math. 29, no. 2 (2009), 165-175, http://dx.doi.org/10.7494/OpMath.2009.29.2.165
Vague BCK/BCI-algebras
Arsham Borumand Saeid
Opuscula Math. 29, no. 2 (2009), 177-186, http://dx.doi.org/10.7494/OpMath.2009.29.2.177