%0 Article %A Grätzer George A. %D 1980 %G English %B Acta scientiarum mathematicarum %@ 0001-6969 %T On the lattice of quasivarieties of distributive lattices with pseudocomplementation %U http://acta.bibl.u-szeged.hu/14777/1/math_042_fasc_003_004_257-263.pdf