Jon Barwise. Implicit definability and compactness in infinitary languages. The syntax and semantics of infinitary languages, edited by Jon Barwise, Lecture notes in mathematics, no. 72, Springer-Verlag, Berlin, Heidelberg, and New York, 1968, pp. 1–35.
Mihály Makkai · Journal of Symbolic Logic · 1972
Jon Barwise. Implicit definability and compactness in infinitary languages. The syntax and semantics of infinitary languages, edited by Jon Barwise, Lecture notes in mathematics, no. 72, Springer-Verlag, Berlin, Heidelberg, and New York, 1968, pp. 1–35. - Volume 37 Issue 1