@article{CRMATH_2006__343_9_579_0,
     author = {Ra\'ul E. Curto and Jasang Yoon},
     title = {Spectral pictures of 2-variable weighted shifts},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {579--584},
     publisher = {Elsevier},
     volume = {343},
     number = {9},
     year = {2006},
     doi = {10.1016/j.crma.2006.09.024},
     language = {en},
}