@article{10_21136_CPM_1976_117932, author = {Webb, William A.}, title = {On the {Diophantine} equation $k/n=a_1/x_1+a_2/x_2+a_3/x_3$}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {360--365}, publisher = {mathdoc}, volume = {101}, number = {4}, year = {1976}, doi = {10.21136/CPM.1976.117932}, mrnumber = {0444564}, zbl = {0337.10012}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1976.117932/} }