Steinig, J.. "Some Trigonometric Inequalities.." Elemente der Mathematik 27 (1972): 121-128. <http://eudml.org/doc/141078>.
@article{Steinig1972, author = {Steinig, J.}, journal = {Elemente der Mathematik}, pages = {121-128}, title = {Some Trigonometric Inequalities.}, url = {http://eudml.org/doc/141078}, volume = {27}, year = {1972}, }
TY - JOUR AU - Steinig, J. TI - Some Trigonometric Inequalities. JO - Elemente der Mathematik PY - 1972 VL - 27 SP - 121 EP - 128 UR - http://eudml.org/doc/141078 ER -
