机译:On the systematics of asteroseismological mass determinations of PG 1159 stars
Natl Univ La Plata, Fac Ciencias Astron & Geofis, RA-1900 La Plata, Argentina;
UNLP, CONICET, IALP, La Plata, Argentina;
Univ Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil;
stars : evolution; stars : interiors; stars : oscillations; stars : variables : general; white dwarfs; EARTH TELESCOPE OBSERVATIONS; WHITE-DWARF STARS; POST-AGB STARS; EVOLUTIONARY MODELS; PULSATION; CONSTRAINTS; HELIUM; PG-2131+066; PG-0122+200;