Armin Hemmerling. Hierarchies of Function Classes Defined by the First-Value Operator: (Extended Abstract). Electronic Notes in Theoretical Computer Science, 120:59-72, 2005. [doi]
@article{Hemmerling05:0,
title = {Hierarchies of Function Classes Defined by the First-Value Operator: (Extended Abstract)},
author = {Armin Hemmerling},
year = {2005},
doi = {10.1016/j.entcs.2004.06.034},
url = {http://dx.doi.org/10.1016/j.entcs.2004.06.034},
researchr = {https://researchr.org/publication/Hemmerling05%3A0},
cites = {0},
citedby = {0},
journal = {Electronic Notes in Theoretical Computer Science},
volume = {120},
pages = {59-72},
}