@article {Diamandis:1990tv,
	title = {{O (alpha-prime**3) BETA FUNCTIONS IN THE SUPERSYMMETRIC sigma MODEL WITH DILATON}},
	journal = {Phys. Lett. B},
	volume = {247},
	year = {1990},
	pages = {555{\textendash}561},
	doi = {10.1016/0370-2693(90)91900-V},
	author = {Diamandis, G. A. and Georgalas, B. C. and Lahanas, A.B.}
}
