@article{MZM_2010_88_5_a7,
     author = {S. Sh. Kozhegel'dinov},
     title = {Pairs of {Theonian} {Triangles} with {Common} {Area}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {729--734},
     publisher = {mathdoc},
     volume = {88},
     number = {5},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_88_5_a7/}
}