@article{701890,
     title = {An application of quaternionic analysis to the solution of time-independent Maxwell equations and of Stokes' equation},
     booktitle = {Proceedings of the 14th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1987},
     pages = {[61]-76},
     mrnumber = {MR0920846},
     zbl = {0704.35128},
     url = {http://dml.mathdoc.fr/item/701890}
}

Gürlebeck, Klaus; Sprössig, Wolfgang. An application of quaternionic analysis to the solution of time-independent Maxwell equations and of Stokes’ equation, dans Proceedings of the 14th Winter School on Abstract Analysis, GDML_Books,  (1987), pp. [61]-76. http://gdmltest.u-ga.fr/item/701890/