On a problem of Lohwater about the asymptotic behaviour in Nevanlinna's class
Abstract: Let be meromorphic in and let the radial limits exist and have modulus 1 for almost all . If is a singular point of on , then every value of modulus 1 which is not in the range of at is an asymptotic value of at some point of each subarc of containing the point . This answers in the affirmative sense a question of A. J. Lohwater.
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-  A. J. Lohwater, On the Schwarz reflection principle, Michigan Math. J. 2 (1953–54), 151–156 (1955). MR 0068624
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