TY - JOUR TI - Alternative formulations of the boundary element method for potential and elastic zoned problems PY - 1992 AU - Venturini, W S T2 - Engineering Analysis With Boundary Elements DO - 10.1016/0955-7997(92)90094-n UR - https://doi.org/10.1016/0955-7997(92)90094-n VL - 9 IS - 3 SP - 203-7 ER -