TY - RPRT TI - Exponential time differencing for problems without natural stiffness separation AU - Dendumrongsup, Nutchapol AU - Tartakovsky, Daniel M. (ORCID:0000000190198935) PY - 2021 DO - 10.1007/s10596-021-10067-w UR - https://www.osti.gov/biblio/1976670 ID - 1976670 ER -