var q =
                    from c in _Context.Rests
                        .Include("FinanceSource")
                        .Include("Nomenclature")
                        .Include("Nomenclature.MeasAlt")
                        .Include("Nomenclature.MeasMain")
                        .Include("NomenPackSpec")
                        .Include("NomenPackSpec.Pack")
                        .Include("Party")
                        .Include("StoragePlace")
                    where (financeSourceId == null || c.FinanceSourceId == financeSourceId)
                    && (nomenclatureId == null || c.NomenclatureId == nomenclatureId)
                    && (packId == null || c.NomenPackSpecId == packId)
                    && (partyId == null || c.PartyId == partyId)
                    && (storageId == null || c.StorageId == storageId)
                    from d in _Context.Documents
                        .Include("DocumentSpecs.Nomenclature")
                        .Include("DocumentSpecs.NomenPackSpec")
                        .Include("DocumentSpecs.Party")
                        .Include("DocumentSpecs.ExtInDocumentSpec")
                    where (financeSourceId == null || d.FinanceSourceId == c.FinanceSourceId)
                    from i in d.DocumentSpecs
                    where i.ExtInDocumentSpec != null
                    && i.NomenclatureId == c.NomenclatureId
                    && (packId == null || i.NomenPackSpecId == c.NomenPackSpecId)
                    && (partyId == null || i.PartyId == c.PartyId)
                    orderby d.DocDate descending
                    select c;