@inbook{401330, title = {3. Matice transponovan\'e, symetrick\'e a polosymetrick\'e}, booktitle = {Z\'aklady teorie matic}, series = {GDML\_Books}, publisher = {Academia}, address = {Praha}, year = {1971}, pages = {15-16}, language = {bg}, url = {http://dml.mathdoc.fr/item/401330} }
(éd.). 3. Matice transponované, symetrické a polosymetrické, dans Základy teorie matic, GDML_Books, (1971), pp. 15-16. http://gdmltest.u-ga.fr/item/401330/