@article {Simula.simula.2298,
	title = {A Multilevel Solver for Gaussian Constrained CMB Realizations},
	journal = {The Astrophysical Journal Supplement Series},
	volume = {210},
	number = {2},
	year = {2014},
	publisher = { },
	author = {Dag Sverre {Seljebotn} and Mardal, Kent-Andre and Jewell, Jeff and Hans Kristian {Eriksen} and Bull, Philip}
}
@techreport {Simula.simula.2090,
	title = {A Multilevel Solver for Gaussian Constrained CMB Realizations},
	year = {2013},
	author = {Dag Sverre {Seljebotn} and Mardal, Kent-Andre and Jewell, Jeff and Hans Kristian {Eriksen} and Bull, Philip}
}
