СПЕКТРЫ МГНОВЕННЫХ НЕЙТРОНОВ ДЕЛЕНИЯ В РЕАКЦИЯХ <span class="inline-formula"><span class="math">\({}^{\boldsymbol{235}}\)</span></span>U(<span class="inline-formula"><span class="math">\(\boldsymbol{n,F}\)</span></span>) И <span class="inline-formula"><span class="math">\({}^{\boldsymbol{239}}\)</span></span>Pu(<span class="inline-formula"><span class="math">\(\boldsymbol{n,F}\)</span></span>)