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@article{TM2_2012_XV_1_a2, author = {Haryono Tandra}, title = {On the existence of $\lim_{x\to x_0}f(g(x))$}, journal = {The Teaching of Mathematics}, pages = {33 }, publisher = {mathdoc}, volume = {XV}, number = {1}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TM2_2012_XV_1_a2/} }
Haryono Tandra. On the existence of $\lim_{x\to x_0}f(g(x))$. The Teaching of Mathematics, XV (2012) no. 1, p. 33 . http://geodesic.mathdoc.fr/item/TM2_2012_XV_1_a2/