@article{BSL5_4_Wronski2,
author = {Andrzej WRO{\'N}SKI},
title = {The Number of Isomorphism Types of Subdirectly Indecomposable Pseudo-Boolean Algebras},
journal = {Bulletin of the Section of Logic},
volume = {5},
number = {4},
year = {1976},
pages = {130--132}
}