@article{10_1023_A:1021793115985,
     author = {Tran, Trung Dinh},
     title = {Spectral sets and the {Drazin} inverse with applications to second order differential equations},
     journal = {Applications of Mathematics},
     pages = {1--8},
     year = {2002},
     volume = {47},
     number = {1},
     doi = {10.1023/A:1021793115985},
     mrnumber = {1876488},
     zbl = {1068.47005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1021793115985/}
}