@article{TM2_2014_XVII_1_a2, author = {Yuanhong Zhi and Yongkun Li}, title = {A proof of method of cylindrical shells based on a generalized integral representation of additive interval function}, journal = {The Teaching of Mathematics}, pages = {34 }, publisher = {mathdoc}, volume = {XVII}, number = {1}, year = {2014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TM2_2014_XVII_1_a2/} }