@article{10_4064_cm90_2_5,
     author = {Witold Kra/skiewicz},
     title = {On semi-invariants of tilted algebras of type $A_{n}$},
     journal = {Colloquium Mathematicum},
     pages = {253--267},
     publisher = {mathdoc},
     volume = {90},
     number = {2},
     year = {2001},
     doi = {10.4064/cm90-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm90-2-5/}
}