References
doi:
10.2307/2695106
.
doi:
10.1007/3-540-52335-9-51
.
doi:
10.1007/s11225-013-9470-y
.
doi:
10.1007/s11225-016-9673-0
.
doi:
10.2168/LMCS-3(4:2)2009
.
doi:
10.1016/0304-3975(79).
.
doi:
10.2307/2274219
.
doi:
10.1016/s0747-7171(89)80045-8
.
doi:
10.1016/0168-0072(92)90044-z
.
doi:
10.2307/2586765
.
Comments and questions to:
eptcs@eptcs.org
For website issues:
webmaster@eptcs.org