sentence1: The most complete existing works , dealing with the mythical origins of the constellations , are called by the Hellenistic writer Pseudo-Eratosthenes and an early Roman writer Pseudo-Hyginus .
sentence2: The most complete existing works dealing with the mythical origins of the constellations are , by the Hellenistic writer styled pseudo-Eratosthenes and an early Roman writer termed pseudo-Hyginus .