Isamu Matsuzuka Koji Nagasawa Akihiro Kitahama A proposal for two-sided Laplace transforms and its application to electronic circuits. 1-11 1999 100 Applied Mathematics and Computation 1 http://dx.doi.org/10.1016/S0096-3003(98)00019-8 db/journals/amc/amc100.html#MatsuzukaNK99