TY  - JOUR
AU  - R. P. Gilbert
TI  - Harmonic functions in four variables with rational and algebraic $p_4$-associates
JO  - Annales Polonici Mathematici
PY  - 1964
SP  - 273
EP  - 287
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-15-3-273-287/
DO  - 10.4064/ap-15-3-273-287
LA  - en
ID  - 10_4064_ap_15_3_273_287
ER  -