@article{1183744174, author = {Cichon, J. and Roslanowski, A. and Steprans, J. and Weglorz, B.}, title = {Combinatorial Properties of the Ideal $\mathfrak{B}\_2$}, journal = {J. Symbolic Logic}, volume = {58}, number = {1}, year = {1993}, pages = { 42-54}, language = {en}, url = {http://dml.mathdoc.fr/item/1183744174} }
Cichon, J.; Roslanowski, A.; Steprans, J.; Weglorz, B. Combinatorial Properties of the Ideal $\mathfrak{B}_2$. J. Symbolic Logic, Tome 58 (1993) no. 1, pp. 42-54. http://gdmltest.u-ga.fr/item/1183744174/