Ivan Korec. Model-interpretability into trees and applications. Arch. Math. Log., 17(3-4):97-104, 1975. [doi]
@article{Korec75, title = {Model-interpretability into trees and applications}, author = {Ivan Korec}, year = {1975}, doi = {10.1007/BF02276797}, url = {http://dx.doi.org/10.1007/BF02276797}, researchr = {https://researchr.org/publication/Korec75}, cites = {0}, citedby = {0}, journal = {Arch. Math. Log.}, volume = {17}, number = {3-4}, pages = {97-104}, }