Eric Bonnetier, Michael Vogelius. An Elliptic Regularity Result for a Composite Medium with "Touching" Fibers of Circular Cross-Section. SIAM J. Math. Analysis, 31(3):651-677, 2000. [doi]
@article{BonnetierV00,
title = {An Elliptic Regularity Result for a Composite Medium with "Touching" Fibers of Circular Cross-Section},
author = {Eric Bonnetier and Michael Vogelius},
year = {2000},
doi = {10.1137/S0036141098333980},
url = {http://dx.doi.org/10.1137/S0036141098333980},
researchr = {https://researchr.org/publication/BonnetierV00},
cites = {0},
citedby = {0},
journal = {SIAM J. Math. Analysis},
volume = {31},
number = {3},
pages = {651-677},
}