@article{ITA_1996__30_2_101_0,
     author = {Castro, J. and Seara, C.},
     title = {Complexity classes between $\Theta _k^P$ and $\Delta _k^P$},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {101--121},
     publisher = {EDP-Sciences},
     volume = {30},
     number = {2},
     year = {1996},
     mrnumber = {1420686},
     zbl = {0860.68048},
     language = {en},
     url = {http://archive.numdam.org/item/ITA_1996__30_2_101_0/}
}