Kanghe Xie Yulin Wang Kun Wang Xin Cai Application of Hankel transforms to boundary value problems of water flow due to a circular source. 1469-1477 2010 216 Applied Mathematics and Computation 5 http://dx.doi.org/10.1016/j.amc.2010.02.049 db/journals/amc/amc216.html#XieWWC10