@article{GKMST16,
author = {Rohit Gurjar and
Arpita Korwar and
Jochen Messner and
Simon Straub and
Thomas Thierauf},
title = {Planarizing Gadgets for Perfect Matching do not Exist},
journal = {ACM Transactions on Computation Theory (TOCT)},
volume = "8 (4)",
year = "2016",
pages = "1-17",
}