@article{DLT-J-2012-SalomaaSS13,
	author        = "Arto Salomaa and Kai Salomaa and Andrew L. Szilard",
	doi           = "10.1142/S0129054113400248",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 7,
	pages         = "945--954",
	publisher     = "{World Scientific}",
	title         = "{Goodby to the Kindhearted Dragon Prof. Sheng Yu, 1950-2012}",
	volume        = 24,
	year          = 2013,
}