@article{ZNSL_2016_451_a1,
     author = {M. I. Belishev},
     title = {On algebras of three-dimensional quaternionic harmonic fields},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {14--28},
     publisher = {mathdoc},
     volume = {451},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2016_451_a1/}
}