John C. Butcher, P. Chartier. The effective order of singly-implicit Runge-Kutta methods. Numerical Algorithms, 20(4):269-284, 1999. [doi]
@article{ButcherC99,
title = {The effective order of singly-implicit Runge-Kutta methods},
author = {John C. Butcher and P. Chartier},
year = {1999},
doi = {10.1023/A:1019176422613},
url = {http://dx.doi.org/10.1023/A:1019176422613},
researchr = {https://researchr.org/publication/ButcherC99},
cites = {0},
citedby = {0},
journal = {Numerical Algorithms},
volume = {20},
number = {4},
pages = {269-284},
}