Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{AMLG_1977__18_137921, author = {N. Georgieva}, title = {Another simplification of the recursion scheme.}, journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung}, pages = {1--4}, publisher = {mathdoc}, volume = {18}, year = {1977}, zbl = {0343.02026}, url = {http://geodesic.mathdoc.fr/item/AMLG_1977__18_137921/} }
N. Georgieva. Another simplification of the recursion scheme.. Archiv für mathematische Logik und Grundlagenforschung, Tome 18 (1977), pp. 1-4. http://geodesic.mathdoc.fr/item/AMLG_1977__18_137921/