@article{SMJ2_2021_46_4_a0,
     author = {Ajai, Ajai},
     title = {Cyclic pentagons and hexagons with integer sides, diagonals and areas},
     journal = {Serdica Mathematical Journal},
     pages = {307--322},
     publisher = {mathdoc},
     volume = {46},
     number = {4},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2021_46_4_a0/}
}