DISEASE CHARACTERISTICS: Histologically or cytologically refractory or recurrent ovarian epithelial cancer Resistant to platinum or taxane containing chemotherapy within past 6 months Autologous peripheral blood stem cells (PBSC) or bone marrow available At least 1 measurable site confirmed by CT targeted pretherapy indium In 111 monoclonal antibody MN-14 imaging No bone marrow involvement

PATIENT CHARACTERISTICS: Age: 18 to 80 Performance status: Karnofsky 70-100% ECOG 0-2 Life expectancy: At least 3 months Hematopoietic: WBC at least 3,000/mm3 Granulocyte count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 2.0 mg/dL SGOT less than 2.0 times upper limit of normal (ULN) Renal: Creatinine less than 1.5 times ULN Creatinine clearance at least 50 mL/min Cardiovascular: LVEF at least 50% by MUGA Pulmonary: FVC, FEV1, and DLCO at least 70% of predicted Other: Not pregnant Fertile patients must use effective contraception during and for 3 months after study No AIDS-related illness No concurrent significant medical complications that would preclude compliance No severe anorexia, nausea, or vomiting No history of allergy or antibodies to 90Y hMN-14

PRIOR CONCURRENT THERAPY: Biologic therapy: No prior imaging studies with murine monoclonal antibodies showing reactivity with yttrium Y 90 monoclonal antibody MN-14 (90Y hMN-14) Chemotherapy: At least 4 weeks since prior chemotherapy and recovered Endocrine therapy: Not specified Radiotherapy: At least 4 weeks since prior radiotherapy to index lesion and recovered No prior radiotherapy to greater than 25% of red marrow No prior radiotherapy to maximum tolerated levels for any critical organ (e.g., lung, liver, or kidney) Surgery: At least 4 weeks since prior major surgery Other: No concurrent antiretroviral medication