@article {Lenc_1988,
	title = {On the deflection of electrons with homogeneous fields},
	journal = {Optik},
	volume = {vol.~78},
	number = {no.~4},
	year = {1988},
	pages = {127{\textendash}131},
	author = {M. Lenc and Bohumila Lencov{\'a}}
}