@article{gurevich1979modest,
author = {Gurevich, Yuri},
title = {Modest Theory of Short Chains, I},
year = {1979},
month = {August},
abstract = {The composition (or decomposition) method of Feferman-Vaught is generalized and made much more applicable.},
url = {http://approjects.co.za/?big=en-us/research/publication/modest-theory-short-chains/},
pages = {481-490},
journal = {Journal of Symbolic Logic},
volume = {44},
}