Lenski 2002, p. 180: «Pap's escape probably occurred in 373 or 374»; Garsoïan 1997, p. 91: «The king was summoned in 374 to meet Valens at Tarsus, where he successfully escaped the machinations of his enemies, but he was murdered at the instigation of the Romans on his return to Armenia». Noel Lenski, Failure of Empire: Valens and the Roman State in the Fourth Century A.D., University of California Press, 2002, ISBN978-0-520-28389-3. Nina G. Garsoïan, The Aršakuni Dynasty, in The Armenian People from Ancient to Modern Times, vol. 1, New York, St. Martin's Press, 1997, ISBN0-312-10169-4.