Sebastian K. Saumjan, P. A. Soboleva. Formal Metalanguage and Formal Theory as Two Aspects of Generative Grammar. In Antonio Zampolli, Nicoletta Calzolari, editors, Computational And Mathematical Linguistics: Proceedings of the 5th International Conference on Computational Linguistics, COLING 1973, Pisa, Italy, August 27 - September 1, 1973. pages 63-86, ACL, 1973. [doi]
Abstract is missing.