TY - RPRT TI - The problem of complex eigensystems in the semianalytical solution for advancement of time in solute transport simulations: a new method using real arithmetic AU - Amjad M.J. Umari AU - Steven M. Gorelick PY - 2010 DO - 10.1029/wr022i007p01149 UR - https://pubs.usgs.gov/publication/70015555 ID - 70015555 ER -