She discovered or co-discovered some comets, including periodic comets 38P/Stephan-Oterma and 39P/Oterma, and quite a number of asteroids.
Doktoriral je leta 1920 z nalogo "Aproksimacija funkcij več realnih spremenljivk" ("l'Approximation des fonctions de plusieurs variables réelles") pod Poussinovim mentorstvom.