@misc{Boguński_Stanisław_(1798–1858)_Hoffman's, author={Boguński, Stanisław (1798–1858)}, copyright={Jagiellonian University (edition)}, howpublished={online}, language={Polish}, title={Hoffman's successors' nuisance case to invalidate land purchase agreement in Siedlce}, keywords={purchase and sale agreement, invalidity of contract, family council, appurtenant guardian, mortgage law}, }