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@article{ZR_1977_2_10_a10, author = {B. S. Ste\v{c}kin}, title = {Several {Combinators} {Problems}}, journal = {Zbornik radova}, pages = {129 }, publisher = {mathdoc}, volume = {2}, number = {10}, year = {1977}, url = {http://geodesic.mathdoc.fr/item/ZR_1977_2_10_a10/} }
B. S. Stečkin. Several Combinators Problems. Zbornik radova, Tome 2 (1977) no. 10, p. 129 . http://geodesic.mathdoc.fr/item/ZR_1977_2_10_a10/