Template:Korshikov, 1940
- Korshikov, A.A. 1940. Hyalobrachion quadrilobum – новий вид із групи Volvocales [Hyalobrachion quadrilobum – a new species of Volvocales]. Zhurnal Instytutu Botaniky Vseukrayins'koyi Akademiyi Nauk 1(3-4): 297–300. [in Ukrainian with English abstract]