TY - JOUR T1 - Semi鈥恑nfinite line sources and locally axisymmetric surfaces JO - International Journal of Mathematical Education in Science and Technology PY - 1982/01/01 AU - Bigg GR ED - DO - DOI: 10.1080/0020739820130410 PB - Informa UK Limited VL - 13 IS - 4 SP - 463 EP - 465 Y2 - 2025/05/18 ER -