Marcin Mazur, Roy Barbara, Jean Anglesio, Robin J. Chapman, N. Lakshmanan, John Melville, G. Peng, C. R. Pranesachar. Quadrilaterals in an Isosceles Triangle: 10653. The American Mathematical Monthly, 107(1):89-91, 2000. [doi]
@article{MazurBACLMPP00,
title = {Quadrilaterals in an Isosceles Triangle: 10653},
author = {Marcin Mazur and Roy Barbara and Jean Anglesio and Robin J. Chapman and N. Lakshmanan and John Melville and G. Peng and C. R. Pranesachar},
year = {2000},
url = {http://www.jstor.org/stable/2589395},
researchr = {https://researchr.org/publication/MazurBACLMPP00},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {107},
number = {1},
pages = {89-91},
}