Dobbs, David E.. "A characterization of the tangent function.." Elemente der Mathematik 44.4 (1989): 101-104. <http://eudml.org/doc/141460>.
@article{Dobbs1989, author = {Dobbs, David E.}, journal = {Elemente der Mathematik}, keywords = {tangent function}, number = {4}, pages = {101-104}, title = {A characterization of the tangent function.}, url = {http://eudml.org/doc/141460}, volume = {44}, year = {1989}, }
TY - JOUR AU - Dobbs, David E. TI - A characterization of the tangent function. JO - Elemente der Mathematik PY - 1989 VL - 44 IS - 4 SP - 101 EP - 104 KW - tangent function UR - http://eudml.org/doc/141460 ER -
