Nguyen, H.-Chau Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
http://iopscience.iop.org/article/10.1088/0953-8984/28/27/275301/meta (Publisher version)
Nguyen, H.-C., Nguyen, N. T. T., & Nguyen, V. L. (2016). The transfer matrix approach to circular graphene quantum dots. Journal of Physics: Condensed Matter, 28(27): 275301. doi:10.1088/0953-8984/28/27/275301.