%0 Journal Article %A Janovská, Drahoslava %A Opfer, Gerhard %T The number of zeros of unilateral polynomials over coquaternions and related algebras %J Electronic transactions on numerical analysis %D 2017 %P 55-70 %V 46 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2017__46__a10/ %G en %F ETNA_2017__46__a10