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Heittokangas, J., Laine, I., Tohge, K. and Wen, Z.-T. 2015. Completely regular growth solutions of second order complex linear differential equations. Annales Fennici Mathematici. 40, 2 (Aug. 2015), 985–1003. DOI:https://doi.org/10.5186/aasfm.2015.4057.