@article {MR3346719,
	title = {Asymptotics of orthogonal polynomials with complex varying quartic weight: global structure, critical point behavior and the first Painlev{\'e} equation},
	journal = {Constr. Approx.},
	volume = {41},
	number = {3},
	year = {2015},
	pages = {529{\textendash}587},
	issn = {0176-4276},
	doi = {10.1007/s00365-015-9288-0},
	url = {http://dx.doi.org/10.1007/s00365-015-9288-0},
	author = {Marco Bertola and Alexander Tovbis}
}
