BibTex format
@article{Crowdy:2009:10.1007/s11785-008-0088-4,
author = {Crowdy, D and Mineev-Weinstein, M and Putinar, M},
doi = {10.1007/s11785-008-0088-4},
journal = {COMPLEX ANALYSIS AND OPERATOR THEORY},
pages = {331--332},
title = {Preface},
url = {http://dx.doi.org/10.1007/s11785-008-0088-4},
volume = {3},
year = {2009}
}