@article{10_4064_cm_40_1_9_12,
     author = {E. Graczy\'nska and A. Wro\'nski},
     title = {On weak {Agassiz} systems of algebras},
     journal = {Colloquium Mathematicum},
     pages = {9--12},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1978},
     doi = {10.4064/cm-40-1-9-12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-40-1-9-12/}
}