References
- Anatriello, G., Laudano, F., Vincenzi, G. (2018). Pairs of congruent-like quadrilaterals that are not congruent. Forum Geom. 18: 381–400.
- Anatriello, G., Laudano, F., Vincenzi, G. (2019). An algebraic characterization of properly congruent-like quadrilaterals. J. Geom. 110: 36. DOI: 10.1007/s00022-019-0493-z.
- Laudano, F., Vincenzi, G. (2017). Congruence theorems for quadrilaterals. J. Geom. Graph. 21(1): 45–59.